Jfe Steel Corporation

Canon Kabushiki Kaisha

Kawasaki Steel Corporation

The Furukawa Electric Co., Ltd.

Uacj Corporation

Hitachi Astemo Ltd.

Jfe Precision Corporation

Tokushu Kinzoku Excel Co., Ltd.

Hiroki Ota

Takumi Ujiro

Yasushi Kato

Masao Yuga

Mitsuyuki Fujisawa

Mitsuhiro Okatsu

Susumu Satoh

Koji Ishikawa

Akito Mizutani

Chikara Kami

Yasuhide Ishiguro

Shunsuke Sasaki

Kotaro Kitawaki

Ryo Sakamoto

Tatsuro Katsumura

Tomohiro Ishii

Takuya Murata

Shin Ishikawa

Keniti Amano

Fumimaru Kawabata

Kenichiro Eguchi

Atsushi Matsumoto

Hajime Inoue

Takeshi Suzuki

Kunio Fukuda

Kenichi Fujita

Osamu Furukimi

Takeshi Ogata

Takashi Nakayama

Masahiro Kiyohara

Yasuhiro Yamaguchi

Takatoshi Okabe

Yuji Hashimoto

Satoshi Uenosono

Hideyuki Kimura

Yu Igarashi

Yoshihiro Yazawa

Junichiro Hirasawa

Yuka Miyamoto

Tetsuyuki Nakamura

Hiroyuki Ogata

Shuichi Matsuzawa

Hideyuki Hatakeyama

Makoto Yonemitsu

Seiji Nabeshima

Kazuki Fujimura

Tomoya Koseki

Noritsugu Itakura

Tohru Hayashi

Kenji Oi

Yuichi Kamo

Yusuke Yoshimura

Masataka Yoshino

Sota Goto

Shinsuke Ide

Nobuhiko Tanaka

Yukio Miyata

Yukihiro Matsubara

Shimpei Miyahara

Hoshiaki Terao

Seigo Goto

Ayako Ta

Hideaki Kobiki

Yasuhiro Sakurai

Katsuhisa Yamauchi

Norimasa Hirata

Yu Matsui

Atsutaka Honda

Saiichi Murata

Keisuke Kamiya

Yuta Matsumura

Hideya Furusawa

Shinichi Amaya

Genichi Ishibashi

Takashi Samukawa

Hideaki Yamashita

Eiji Tsuchiya

A host vehicle position estimation unit includes an absolute position estimation unit that estimates a first vehicle position based on absolute position information acquired from a GNSS. The host vehicle position estimation unit further includes a relative position estimation unit that estimates a second vehicle position based on relative position information acquired from outside the host vehicle; a traveling state determination unit that determines a change of a traveling state of the host vehicle based on vehicle information or satellite information; a difference computation unit that computes a time synchronized difference between the first and the second vehicle positions; a learning unit that accumulates the difference as time-series data for each traveling state and learns a correction amount of the first vehicle position for each traveling state based on the time-series data; and a position correction unit that corrects the first vehicle position based on the correction amount.

Vehicle control device and host vehicle position estimation method

A rolling mill includes three or more rolling rolls aligned along a circumferential direction and arranged so each rotary shaft is skewed with respect to a pass line of a material to be rolled, wherein the material to be rolled made of a pipe or bar material passes between the rolling rolls while being rotated to undergo diameter reducing rolling. At least one rolling roll selected from the three or more rolling rolls is smaller in roll diameter than at least one other rolling roll. When at least one rolling roll having a relatively maximum roll diameter defined as a maximum diameter rolling roll and at least one rolling roll smaller in roll diameter than the maximum is defined as a small diameter rolling roll, the small diameter rolling roll has a roll diameter equal to or less than 90% of the roll diameter of the maximum diameter rolling roll.

Rolling mill for diameter reducing rolling and method for manufacturing strip material

Provided is a vehicle control apparatus capable of preventing sudden deceleration of a vehicle to be controlled even in a case of failure to recognize a step condition at a predetermined position. The vehicle control apparatusis mounted on the vehicle. The vehicle control apparatusincludes a position acquisition unit Fconfigured to acquire a position of the vehicle, a route acquisition unit Fconfigured to acquire a planned route of the vehicle, a recognition unit Fconfigured to recognize a stop condition included in image data Dg from an imaging device, a range setting unit Fconfigured to set a recognizable range for the stop condition in the planned route, a speed calculation unit Fconfigured to calculate a braking speed of the vehicle, the braking speed allowing the vehicle to stop at a stop position corresponding to the stop condition without an acceleration of the vehicle during deceleration exceeding a set value, and a traveling control unit Fconfigured to control a speed of the vehicle to the braking speed when the position of the vehicle is included in the recognizable range and the recognition unit fails to recognize the stop condition.

Vehicle control device, vehicle control method, and program

Provided herein is a duplex stainless steel seamless pipe and a method for manufacturing the same. The duplex stainless steel seamless pipe has a composition comprising, in mass %, C: 0.005 to 0.08%, Si: 0.01 to 1.0%, Mn: 0.01 to 10.0%, Cr: 20 to 35%, Ni: 1 to 15%, Mo: 0.5 to 6.0%, N: 0.150 to less than 0.400%, and one, two or more selected from Ti: 0.0001 to 0.3%, Al: 0.0001 to 0.3%, V: 0.005 to 1.5%, Nb: 0.005 to less than 1.5%, and the balance being Fe and incidental impurities. The duplex stainless steel seamless pipe contains N, Ti, Al, V, and Nb so as to satisfy the following formula (1). The duplex stainless steel seamless pipe has an axial tensile yield strength of 757 MPa or more, and a ratio of 0.85 to 1.15 as a fraction of axial compressive yield strength to axial tensile yield strength.0.150>N−(1.58Ti+2.70Al+1.58V+1.44Nb)  (1),

Duplex stainless steel seamless pipe and method for manufacturing same

Provided is a rolling straightening machine which enables outer-diameter-reducing rolling and straightening rolling of a pipe or tube material or a bar material at high speed with high accuracy. The rolling straightening machine includes at least two rollers arranged across a pass line of a pipe or tube material or a bar material, the at least two rollers having a gap therebetween, the gap being defined by an outer-diameter-reducing rolling portion having a diameter reduced from an upstream side toward a downstream side in the rolling straightening machine and a straightening rolling portion continuous from an exit side of the outer-diameter-reducing rolling portion toward a downstream side of the rolling straightening machine, the rollers having shapes which are symmetrical about the pass line in the outer-diameter-reducing rolling portion, and in the straightening rolling portion, asymmetrical to the pass line in the outer-diameter-reducing rolling portion.

Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same

Provided herein is a dual-phase stainless steel having excellent carbon dioxide corrosion resistance, excellent sulfide stress corrosion cracking resistance, and excellent sulfide stress cracking resistance. The dual-phase stainless steel contains, in mass %, C: 0.03% or less, Si: 1.0% or less, Mn: 0.10 to 1.5%, P: 0.030% or less, S: 0.005% or less, Cr: 20.0 to 30.0%, Ni: 5.0 to 10.0%, Mo: 2.0 to 5.0%, Cu: 2.0 to 6.0%, N: less than 0.07%, and the balance Fe and unavoidable impurities, and has a structure that is 20 to 70% austenite phase, and 30 to 80% ferrite phase in terms of a volume fraction.

Dual-phase stainless steel, and method of production thereof

An aluminum alloy substrate for a magnetic disk including an aluminum alloy containing 0.1 to 3.0 mass % of Fe, 0.005 to 1.000 mass % of Cu, and 0.005 to 1.000 mass % of Zn, with a balance of Al and inevitable impurities, wherein in an outer peripheral surface thereof, the number of holes having maximum diameters of 10 &#x3bc;m or more is 200/mmor less, an aluminum alloy base disk for a magnetic disk and a magnetic disk, using the aluminum alloy substrate, and methods for manufacturing these.

Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing the same

An aluminum alloy sheet for a magnetic disk, a method for manufacturing same, and a magnetic disk using same. The aluminum alloy sheet is made of an aluminum alloy comprising 0.10 to 3.00 mass % of Fe, 0.003 to 1.000 mass % of Cu, and 0.005 to 1.000 mass % of Zn, with a balance of Al and unavoidable impurities, wherein a value obtained by dividing a difference in an area ratio (%) of second phase particles between a region (A) and a region (B) by an average value of area ratios (%) of second phase particles in the regions (A) and (B) is 0.05 or less, the region (A) being a region from a sheet thickness center plane to a front surface of the sheet, and the region (B) being a region from the sheet thickness center plane to a rear surface of the plate.

Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk

Provided are a magnetic disk and a method of fabricating the magnetic disk. The magnetic disk includes an aluminum alloy plate fabricated by a process involving a CC method and a compound removal process, and an electroless Ni&#x2014;P plating layer disposed on the surface of the plate. The aluminum alloy plate is composed of an aluminum alloy containing 0.4 to 3.0 mass % (hereinafter abbreviated simply as '%') of Fe, 0.1% to 3.0% of Mn, 0.005% to 1.000% of Cu, 0.005% to 1.000% of Zn, with a balance of Al and unavoidable impurities. In the magnetic disk, the maximum amplitude of waviness in a wavelength range of 0.4 to 5.0 mm is 5 nm or less, and the maximum amplitude of waviness in a wavelength range of 0.08 to 0.45 mm is 1.5 nm or less.

Magnetic disc, aluminum alloy substrate for magnetic disc, and production method for aluminum alloy substrate

The high-strength seamless steel pipe has a volume fraction of tempered martensite of 95% or more, and a prior austenite size number of 8.5 or more, and contains nitride inclusions having a size of 4 &#x3bc;m or more and whose number is 100 or less per 100 mm, nitride inclusions having a size of less than 4 &#x3bc;m and whose number is 700 or less per 100 mm, oxide inclusions having a size of 4 &#x3bc;m or more and whose number is 60 or less per 100 mm, and oxide inclusions having a size of less than 4 &#x3bc;m and whose number is 500 or less per 100 mm, in a cross section perpendicular to a rolling direction.

High-strength seamless steel pipe for oil country tubular goods, and production method for high-strength seamless steel pipe for oil country tubular goods

An image stabilizing apparatus comprises: a shake detector that detects shake; an image stabilizer that corrects the shake by moving a position on the basis of the shake detected by the shake detector; a position detector that detects and outputs the position of the image stabilizer; a determinator that determines an extraction timing at which to extract the position of the image stabilizer on the basis of a timing at which an image sensor which shoots an image is exposed; and an extractor that extracts the position of the image stabilizer, from the output of the position detector, at the extraction timing determined by the determinator.

Image stabilizing apparatus, image processing apparatus, and detection method

The steel pipe of the present invention is a low alloy high strength seamless steel pipe for oil country tubular goods including a composition containing, in terms of mass %, C: 0.23 to 0.27%, Si: 0.01 to 0.35%, Mn: 0.45 to 0.70%, P: 0.010% or less, S: 0.001% or less, O: 0.0015% or less, Al: 0.015 to 0.080%, Cu: 0.02 to 0.09%, Cr: 0.8 to 1.5%, Mo: 0.5 to 1.0%, Nb: 0.02 to 0.05%, B: 0.0015 to 0.0030%, Ti: 0.005 to 0.020%, and N: 0.005% or less, and having a ratio of the Ti content to the N content (Ti/N) of 3.0 to 4.0, with the balance being Fe and inevitable impurities, the steel pipe having a ratio of a stress at a strain of 0.7% to a stress at a strain of 0.4% in a stress-strain curve of 1.02 or less and a yield strength of 655 MPa or more.

Low alloy high strength seamless steel pipe for oil country tubular goods

The electronic device can be used with an accessory module that is a second device attached to a device main body that is a first device. The accessory module includes a locking member that is held so as to be able to be turned. The locking member includes a ring-shaped portion that has a plurality of claw portions and an operation portion for performing a turning operation. The device main bodyincludes a plurality of claw portions corresponding to the plurality of claw portions of the locking member. The claw portions and the claw portions engage with each other in a state in which the accessory module is attached to the device main body by the turning operation of the operation portion, and the claw portions and the claw portions are not engaged in a state in which the accessory module can be removed from the device main body.

Electronic device

A seamless steel pipe having a specific chemical composition. A ratio of Ti to N is in a range of 2.0 to 5.0. The steel pipe has a microstructure including tempered martensite having a volume ratio of 95% or more, and prior austenite grains having a grain size number of 8.5 or more. In a cross-section perpendicular to a rolling direction of the steel pipe a number of nitride-based inclusions having a particle size of 4 &#x3bc;m or more is 100 or less per 100 mm, a number of nitride-based inclusions having a particle size of less than 4 &#x3bc;m is 1000 or less per 100 mm, a number of oxide-based inclusions having a particle size of 4 &#x3bc;m or more is 40 or less per 100 mm, and a number of oxide-based inclusions having a particle size of less than 4 &#x3bc;m is 400 or less per 100 mm.

High-strength seamless steel pipe for oil country tubular goods and method of producing the same

A high-strength seamless stainless steel pipe has a composition including, by mass %, 0.05% or less C, 1.0% or less Si, 0.1 to 0.5% Mn, 0.05% or less P, 0.005% or less S, more than 16.0% to 18.0% or less Cr, more than 2.0% to 3.0% or less Mo, 0.5 to 3.5% Cu, 3.0% or more and less than 5.0% Ni, 0.01 to 3.0% W, 0.01 to 0.5% Nb, 0.001 to 0.3% Ti, 0.001 to 0.1% Al, less than 0.07% N, 0.01% or less O, and Fe and unavoidable impurities as a balance, wherein the steel pipe has a microstructure including a tempered martensite phase forming a main phase, 20 to 40% of a ferrite phase in terms of volume ratio, and 25% or less of a residual austenite phase in terms of volume ratio, an average grain size of the ferrite phase is 40 &#x3bc;m or less, and a sum of amounts of Ti and Nb precipitated as precipitates having a grain size of 2 &#x3bc;m or less is 0.06 mass % or more, whereby the steel pipe has high strength where yield strength YS is 758 MPa or more and high toughness where an absorbing energy value vEin a Charpy impact test at a test temperature of &#x2212;10&#xb0; C. is 40 J or more.

High-strength seamless stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipe

Growing community of inventors

Tokyo, Japan

Hiroki Ota