Kao Corporation

Sony Corporation

Nippon Steel Corporation

Olympus Optical Company, Ltd.

Mitsubishi Electric Corporation

Nippon Steel Sumitomo Metal Corporation

Mitsubishi Electric Home Appliance Co., Ltd.

Aisin Corporation

Akira Shiga

Noriyuki Kitaori

Osamu Yoshida

Manabu Kubota

Hajime Hasegawa

Shinji Hatta

Takeaki Nakamura

Suguru Yoshida

Tatsuo Nagasaki

Takashi Ito

Masataka Suzuki

Yutaka Neishi

Shigemi Wakabayashi

Kenichi Kimura

Shinichi Imade

Masashi Hattori

Takayuki Yanagisawa

Katsumi Sasaki

Eiji Murakami

Kei Miyanishi

Toshihiko Hashiguchi

Koji Yasunaga

Masaaki Hayashi

Yasuhiro Ueda

Tomohisa Sakurai

Hiroyoshi Fujimori

Hitoshi Karasawa

Tetsumaru Kubota

Akio Nakada

Syuichi Takayama

Mamoru Hamada

Akihiro Taguchi

Akihiko Kobayashi

Masakazu Gotanda

Koji Mimura

Shingo Yoshizumi

Katsushi Watanabe

Shinya Teramoto

Tadao Hagino

Kiyoshi Watanabe

Seiichi Hosoda

Tsuyoshi Tsukagoshi

Daisuke Kasai

Nobuki Kotake

Hirohide Mizunoya

Sota Komae

Hideo Mizukami

Ruihua Xiao

Kenichi Ueyama

Hiroyuki Sangu

Takuya Furuhashi

Toshinori Orito

Masaru Karasawa

Yuzo Matsuo

Ayumi Saiki

Yoshitaka Akari

Yosuke Kuge

Kazuo Nyui

Hiroaki Kobayashi

Yutaka Ohshima

Tatsuya Deguchi

Hiroshi Takahashi

Hideki Imataka

Toshiki Terayama

Akira Noda

Masayuki Horimoto

Kazumichi Tsukuda

Kazutaka Matsumoto

Hiroyuki Kusunoki

Koshiro Takano

Tsukasa Kirisawa

Eiichi Nishizawa

Koji Taguchi

Masami Hagiwara

Yohei Asahi

Marika Haramaki

Kimiyoshi Soma

Shiro Takeuchi

Itaru Osaki

Takao Orii

Michiko Tada

Yoshihiro Daitoh

Masaru Tsuchiya

Ryouichi Konou

Takuya Watanabe

Atsushi Shinno

Shouji Toudou

Hun Koo Park

Masamichi Shigekane

Hiroyuki Nozaki

Wataru Yoshiki

Yu Sakai

Tetsuya Ohashi

There is provided a steel material that has a high critical working ratio in cold forging and has a high fatigue strength and an excellent hydrogen embrittlement resistance when the steel material is formed into a carburized-steel component. The steel material according to the present embodiment has a chemical composition that contains, in mass %, C: 0.07 to 0.13%, Si: 0.15 to 0.35%, Mn: 0.60 to 0.80%, S: 0.005 to 0.050%, Cr: 1.90 to 2.50%, B: 0.0005 to 0.0100%, Ti: 0.010 to less than 0.050%, Al: 0.010 to 0.100%, Ca: 0.0002% to 0.0030%, N: 0.0080% or less, P: 0.050% or less, and O: 0.0030% or less, with the balance being Fe and impurities, and satisfies Formula (1) to Formula (5) described in the specification.

Steel material

A heating cooker includes a housing having an exhaust aperture; a top plate on the housing with a heating zone; a heating coil to perform induction heating to heat a heating target on the heating zone; an air-sending device; a cooling air guide having an air outlet, to guide air from the air-sending device to the air outlet; and an exhaust air guide aperture with an air passage extending from a first inlet to a first outlet. The air outlet and the exhaust aperture are aligned with each other and the air outlet of the cooling air guide and the heating coil are aligned each other, both in the front and back direction. The air outlet is arranged on a front side relative to a center of the heating coil. The air passage of the exhaust air guide has a longer length than the first outlet of the air passage.

Induction cooktop with an exhaust air guide

Steel materials for continuously variable transmissions sheaves, and methods for manufacturing a continuously variable transmission sheaves, are provided. In the disclosed steel materials for continuously variable transmission sheaves, the steel materials satisfy the following expressions: 13.9&#x2264;Fn1&#x2264;15.5, and 1.20&#x2264;Fn2&#x2264;4.35 (in which Fn1=7&#xd7;Cr&#x2212;6&#xd7;Si+4&#xd7;Mn; and Fn2=Al&#xd7;N&#xd7;10).

Steel material for CVT sheave, CVT sheave, and method for manufacturing CVT sheave

A steel for cold forging has a predetermined chemical composition, satisfies d+3&#x3c3;&#x2264;10.0 and SA/SB&#x3c;0.30, includes 1200/mmor more of sulfides having an equivalent circle diameter of 1.0 to 10.0 &#x3bc;m in a microstructure, and has an average distance between the sulfides of less than 30.0 &#x3bc;m. Here, d is an average value of equivalent circle diameters of sulfides having an equivalent circle diameter of 1.0 &#x3bc;m or more, &#x3c3; is a standard deviation of the equivalent circle diameters of the sulfides having an equivalent circle diameter of 1.0 &#x3bc;m or more, SA is the number of sulfides having an equivalent circle diameter of 1.0 &#x3bc;m or more and less than 3.0 &#x3bc;m, and SB is the number of the sulfides having an equivalent circle diameter of 1.0 &#x3bc;m or more.

Steel for cold forging and manufacturing method thereof

An air blowing device and an air blowing system reduces a region where a person cannot be recognized in a space provided with the air blower, and achieves control of the air blower in view of a person in a larger range in the space. The air blower includes: a first sensor configured to detect a position of a human in a first human detection range; a receiver configured to receive a detection result of a second sensor transmitted from a transmitter of a sensor-mounted device, the sensor-mounted device including the second sensor configured to detect a position of a human in a second human detection range; and a controller configured to perform air blowing control when the first sensor does not detect a human in the first human detection range and the second sensor detects a human in the second human detection range.

Air blower and air blowing system

There is provided a hot forging steel including, by mass %, C: more than 0.30% and less than 0.60%, Si: 0.10% to 0.90%, Mn: 0.50% to 2.00%, S: 0.010% to 0.100%, Cr: 0.01% to 1.00%, Al: more than 0.005% and 0.100% or less, N: 0.0030% to 0.0200%, Bi: more than 0.0001% and 0.0050% or less, Ti: 0% or more and less than 0.040%, V: 0% to 0.30%, Ca: 0% to 0.0040%, Pb: 0% to 0.40%, and a remainder including Fe and impurities, in which P and O in the impurities are respectively P: 0.050% or less and O: 0.0050% or less, an expression d+3&#x3c3;&#x3c;20 is satisfied, and a presence density of MnS having an equivalent circle diameter of smaller than 2.0 &#x3bc;m is 300 pieces/mmor more in a cross section parallel to a rolling direction of a steel.

Hot forging steel and hot forged product

An air purifying operation is performed with a consideration for an influence of a purifying material on a person, and user's comfort and efficiency of the air purifying operation are both achieved. An air purifier includes a casing, an inlet, outlets, blowers, a decontamination unit, air ducts, movable louvers, a horizontal rotation mechanism, an ozone generation mechanism, human detection means, a control unit, or the like. The control unit detects whether or not there is a person in a room by the human detection means. Then, the control unit controls at least one of parameters including an ozone generation amount, a wind direction, an amount, and a speed of blown-out air based on the human detection result. Thus, if there is a person in the room, for example, a human avoiding operation, a human area operation, or the like can be performed. If there is no person, an indoor air purifying operation for uniformly purifying air throughout the room can be performed.

Air purifier

A steel for induction hardening according to the present invention includes a chemical composition consisting of, in mass percent: C: 0.58 to 0.68%, Si: 0.70 to 1.40%, Mn: 0.20 to 1.40%, Al: 0.005 to 0.060%, N: 0.0020 to 0.0080%, and Ca: 0.0005 to 0.005%, with the balance being Fe and impurities, and satisfies Formulae (1) to (3). The steel microstructure is made up of ferrite and by area fraction, 85% or more of pearlite. In the steel, a ratio of a number of composite inclusions to a total number of AlOinclusions and the composite inclusions that contain 2.0% or more of SiOand 2.0% or more of CaO is 20% or more./7+/5+/9+/2.5&#x2264;1.05&#x2003;&#x2003;(1)/10+/20+/25&#x2265;0.70&#x2003;&#x2003;(2)&#x2264;0.20&#x2003;&#x2003;(3)

Steel for induction hardening

A steel for induction hardening according to the present invention includes a chemical composition consisting of, in mass percent: C: 0.58 to 0.68%, Si: 0.70 to 1.40%, Mn: 0.20 to 1.40%, P: less than 0.020%, S: less than 0.020%, Al: 0.005 to 0.060%, N: 0.0020 to 0.0080%, O: 0.0015% or less, V: 0.01 to 0.25%, B: 0.0003 to 0.0040%, Ti: 0.010 to 0.050%, and Ca: 0.0005 to 0.005%, with the balance being Fe and impurities, and satisfies Formulae (1) to (3). The steel microstructure is made up of ferrite and pearlite. A ratio of a number of composite inclusions is 20% or more.C+Si/7+Mn/5+Cr/9+Mo/2.5&#x2264;1.05&#x2003;&#x2003;(1)C+Si/10+Mn/20+Cr/25&#x2265;0.70&#x2003;&#x2003;(2)Cr/Si&#x2264;0.20&#x2003;&#x2003;(3)

A steel according to an aspect of the present invention has a chemical composition within a predetermined range, in which a hardenability index Ceq ranges from greater than 7.5 to smaller than 44.0, a metallographic structure includes ferrite ranging from 85 to 100 area %, an average distance between sulfides, which are observed in a cross section parallel to a rolling direction of the steel and have an equivalent circle diameter ranging from 1 &#x3bc;m or greater to smaller than 2 &#x3bc;m, is shorter than 30.0 &#x3bc;m, and a presence density of the sulfides, which are observed in the cross section parallel to the rolling direction of the steel and have an equivalent circle diameter ranging from 1 &#x3bc;m or greater to smaller than 2 &#x3bc;m, is 300 pieces/mmor more.

Steel, carburized steel component, and method for manufacturing carburized steel component

There is a hot-rolled steel according to one aspect of the invention including predetermined chemical compositions including 0.0001 to 0.0050 mass % of Bi, in which 90 area % or more of a metallographic structure is configured with a ferrite and a pearlite, and an average number density of Mn sulfides extending along a rolling direction and having an aspect ratio exceeding 10 and equal to or smaller than 30, which is measured on a cross section parallel to the rolling direction, is 50 to 200 number/mm.

Hot-rolled steel and steel component

An imaging apparatus including a mode sequence control unit configured to select a control scheme for a still image recording operation in accordance with an imaging operation setting, wherein the mode sequence control unit is configured to select a first control scheme when the imaging operation setting is a normal imaging setting and a second, different control scheme when the imaging operation setting is an unconscious imaging setting.

Imaging control apparatus, imaging control method, and program

A rolled steel bar or a wire rod for hot forging capable of coping with both bending/surface fatigue strength of components and machinability at a high level includes: a composition containing, in mass %, C: 0.1 to 0.25%, Si: 0.01 to 0.10%, Mn: 0.4 to 1.0%, S: 0.003 to 0.05%, Cr: 1.60 to 2.00%, Mo: 0.10% or less (including 0%), Al: 0.025 to 0.05%, and N: 0.010 to 0.025%, where a value of fn1 represented in a following formula (1) satisfies 1.82&#x2266;fn1&#x2266;2.10: fn1=Cr+2&#xd7;Mo (1); impurities containing P: 0.025% or less, Ti: 0.003% or less, and O (oxygen): 0.002% or less; and a cross section in which a maximum value/a minimum value of an average ferrite grain diameter is 2.0 or less when measurement by observation is randomly carried out in 15 visual fields with an area per visual field set to be 62500 &#x3bc;m.

Rolled steel bar or wire for hot forging

A leave-on type hair cosmetic composition having the following two layers A and B:

Hair cosmetic composition

To provide a small active oxygen generating device capable of efficiently continuously generating active oxygen while supplying oxygen in the air. In the active oxygen generating device in which water is made to exist between an anode and a cathode composed of a base material containing a conductive polymer and by turning on electricity between the anode and the cathode, the conductive polymer deoxidizes the oxygen dissolved in the water to generate active oxygen, the cathode is rotatably installed about a conductive horizontal axis with part of the surface being projected over the surface of the water.

Active oxygen generating device, humidifier, and air purification system with humidifier

Growing community of inventors

Tokyo, Japan

Akira Shiga