Canon Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Mitsubishi Heavy Industries Limited

Opt Creation, Inc.

Hitachi, Ltd.

Toshiba Electronic Devices & Storage Corporation

Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.

Ohbayashi-Gumi, Ltd.

Shigenkaihatsukenkyujyo, Inc.

Hideki Yamaguchi

Takashi Nojima

Soichi Hiramatsu

Hiroyuki Inoue

Hitoshi Nakamura

Akira Kida

Hideaki Kawakami

Takeshi Iwasaki

Akira Miyakawa

Koji Terasawa

Shinya Matsui

Toshihiko Ujita

Tetsuya Ishikawa

Takehiko Kiyohara

Kenji Kawazoe

Masaru Nikaido

Yasuo Kotaki

Sadayuki Sugama

Keiichiro Tsukuda

Takashi Arai

Tetsuo Suzuki

Akihiro Yamanaka

Hiroshi Nakagawa

Katsuyuki Yokoi

Keiichi Murai

Haruyuki Matsumoto

Atsushi Noda

Tsutomu Kawai

Kenichiro Hashimoto

Takaharu Itani

Mikio Shiga

Tsunejiro Takahashi

Shigeyasu Nagoshi

Masahiro Yamada

Haruyuki Yanagi

Michiyasu Komatsu

Eiji Kamohara

Hideaki Okamoto

Seiji Takahashi

Shigeru Sugawara

Yasuaki Jinnai

Taiji Torigoe

Taketoshi Shimoma

Takayuki Naba

Tetsuo Kimura

Yoshiaki Kaburagi

Yoji Ara

Ryohei Inaba

Daigo Watanabe

Yuya Konno

Shigeru Tsuyukubo

Yoshiaki Ouchi

Masaaki Nakamura

Naoto Akatsuka

Hisashi Morioka

Yoshinori Sato

Masakazu Yoshida

Yoshihiro Mizuno

Hisashi Hasegawa

Hitomi Otsubo

Haruhiko Yamaguchi

Hidemi Kanetaka

Sinji Tukada

Shoichiro Shoda

Takanori Mukai

Minoru Koide

Tomoki Yaguchi

Wataru Murono

Keijiro Shiode

Tsuneo Ishii

Yoshihide Kawani

Hiroshi Teraoku

Naoaki Misawa

Shogoro Kudaka

Taka-aki Yasumoto

Aki Inoue

Heiichiro Tsukuda

In general, according to one embodiment, a disk device includes a magnetic disk, a magnetic head, a suspension, a ramp, a housing, and a screw. The suspension holds the magnetic head and moves to an unload position. The ramp includes an attachment tab with a through hole. The ramp holds the suspension at the unload position. The housing has a support surface with a screw hole to support the attachment tab. The screw includes a screw head, a screw shaft, and a first contact surface. The screw shaft extends from the screw head in a first direction and is fitted into the screw hole through the through hole. The first contact surface is located on the screw head, tapers in the first direction, and contacts the attachment tab. The screw holds the attachment tab in-between the support surface and the first contact surface.

Disk device with positioned ramp

An impeller for a rotary machine includes a base material of the impeller made of Al or an Al alloy. A surface layer for the impeller is formed by an electroless plating layer with a Ni&#x2014;P based alloy and an under layer disposed between the base material and the surface layer, the under layer having a smaller Vickers hardness than the surface layer.

Impeller for rotary machine, compressor, supercharger, and method for producing impeller for rotary machine

Provided is a method for manufacturing a microbicide having high microbicidal performance for eradicating microbes. This method for manufacturing a microbicide comprises: a step for preparing an inorganic aqueous solution containing an inorganic component having seawater as a raw material thereof, an ozone mixing step for mixing ozone into the inorganic aqueous solution, and a stirring step for stirring the inorganic aqueous solution mixed with ozone and passing through a bubble generation nozzle; wherein, the temperature of the inorganic aqueous solution in the ozone mixing step and the stirring step is 0&#xb0; C. to 30&#xb0; C., and when the amount of inorganic aqueous solution treated in the ozone mixing step and the stirring step is defined as X liters and the treatment rate of the ozone mixing step and the stirring step is defined as Y liters/minute, then the microbicide is manufactured by alternately repeating the ozone mixing step and the stirring step for A&#xb7;X/Y minutes (where A is 30 or more).

Microbicide and method for manufacturing same

The problem to be addressed by the present invention is to provide a cleaning apparatus capable of obtaining a cleaning liquid having a high degree of cleanliness. A cleaning apparatusincludes a dissolution tankfor dissolving a gas in a liquid, a transfer pumpfor sending the liquid together with the gas into the dissolution tank, and a feed nozzlefor feeding the liquid stored in the dissolution tankto a workpiece W. The transfer pumpis a positive displacement pump. Portions of the dissolution tank, the transfer pump, and the feed nozzlethat come into contact with the liquid are made of a fluororesin.

Cleaning apparatus

A turbine rotor comprising: a turbine wheelobtainable by precision casting of titanium aluminide, including a hubextending along a rotational center of the turbine wheel, and a plurality of impellersarranged along a circumferential direction around an outer circumference of the hub, and having a web-like scallopformed by making a cutout between adjacent impellers among the plurality of the impellers; and a rotor shaftextending along the rotational center line C-C of the turbine wheel on a back side of the hub of the turbine wheel; wherein the turbine wheel has a balance cut portionarranged along the circumferential direction of the rotational turbine wheel on the back side of the hub of the turbine wheel, wherein an area of the balance correcting part arranged in the circumferential direction is placed so that a balance cut minimum diameter BCmin is larger than a maximum diameter of the rotor shaft on the wheel mounting side, and that a balance cut maximum diameter BCmax is smaller than a scallop diameter S of the turbine wheel, and that a thickness t from the back side of the turbine wheel to a surface of the hub satisfies 1.75t&#x2267;w, where w is a width in a radial direction of the area arranged in the circumferential direction (i.e. balance cut).

Turbine rotor and turbocharger having the turbine rotor

A turbine rotor for a supercharger includes a TiAl turbine wheel and a carbon steel shaft joined to each other via an Ni brazing filler metal at a brazed part distanced from a back face of the turbine wheel so that a turbine wheel outer diameter ratio calculated by 'a distance from the back face of the turbine wheel to the brazed part'/'an outer diameter of the turbine wheel' is within a range of from 7 to 10%.

Turbine rotor for supercharger and manufacturing method thereof

A wastegate valve includes, a valving elementthat opens and closes an exhaust gas bypass path, a valve stemthat extends from the valving element, an operating leverhaving an insertion holewhere the valve stem is inserted with play, a support plateprovided on an open end of the valve stem, and a spring memberprovided between the support plate and the operating lever. The spring member has a large-diameter part and at least two small-diameter parts, the large-diameter part and the at least two small-diameter parts being arranged concentrically with an axial center of the valve stem, and the at least two small-diameter parts constitute a first contact partin contact with an operating lever side and a second contact partin contact with a support plate side.

Wastegate valve and exhaust gas turbocharger equipped with wastegate valve

An apparatus and process for production of a liquid containing fuel that avoid the need to add any extra surfactant and also the need to apply ultrasonic wave energy and attain high stability of minute bubbles, etc. Production apparatus for a liquid containing fuel comprises pump for pressurizing a stored fuel and nanobubble generating unit adapted to inject a liquid containing the pressurized fuel. The apparatus may be equipped with homogenizing means for storing the liquid containing fuel. The process for production of a liquid containing fuel is characterized by sequentially performing storing of a liquid containing fuel in storage means, pressurizing the liquid so as to obtain a high-pressure liquid with a given pressure, injecting the same through a nozzle into a matrix of liquid containing fuel and effecting collision thereof with a wall so that nanobubbles of foreign substance are dispersed in the matrix of liquid containing fuel.

Apparatus and process for production of nanobubble liquid

A flexible printed circuit assembly includes a flexible printed circuit board including a base portion and a relay portion extending from a first edge of the base portion and capable of being bent relative to the base portion, a first reinforcing member disposed at the relay portion, and a second reinforcing member attached to a first region of the base portion that includes a second edge opposite to the first edge and having an engaging portion. The first region of the base portion is capable of being folded back towards a second region of the base portion that includes the first edge, and the engaging portion of the second reinforcing member is capable of being engaged with the first reinforcing member.

Flexible printed circuit assembly and disk drive including the same

The present invention provides a silicon nitride ceramic substrate composed of a silicon nitride sintered body in which maximum size of pore existing in grain boundary phase of the sintered body is 0.3 &mgr;m or less, and having a thermal conductivity of 50 W/mK or more and a three point bending strength of 500 MPa or more, wherein a leak current is 1000 nA or less when an alternative voltage of 1.5 kV-100 Hz is applied to a portion between front and back surfaces of the silicon nitride sintered body under conditions of a temperature of 25&deg; C. and a relative humidity of 70%. According to the above structure of the present invention, there can be provided a silicon nitride ceramic substrate capable of effectively suppressing a leak current generation when the above substrate is assembled into various power modules and circuit boards, and capable of greatly improving insulating property and operative reliability of power modules in which output power and capacity are greatly increased.

Silicon nitride ceramic substrate, silicon nitride ceramic circuit board using the substrate, and method of manufacturing the substrate

An ink container for containing ink to be supplied to an ink jet head to which the ink container is detachably mountable, inclues an ink supply port for supplying the ink to the ink jet head; a air vent for fluid communication with ambience; a claw-like projection provided on a first side of the ink container; a latching lever provided on a second side opposite from the ink container, the latching lever being resiliently supported on the ink container and having a latching claw.

Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printer

An ink container for containing ink to be supplied to an ink jet head to which the ink container is detachably mountable, inclues an ink supply port for supplying the ink to the ink jet head; an air vent for fluid communication with ambience; a claw-like projection provided on a first side of the ink container; a latching lever provided on a second side opposite from the ink container, the latching lever being resiliently supported on the ink container and having a latching claw.

Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer

An ink jet recording apparatus includes a movable carriage capable of moving as designed while carrying, hereon, a plurality of different recording heads for discharging ink to record characters and/or images and a plurality of different ink tanks for storing ink to be supplied to the recording heads, the recording heads and the ink tanks being changeable; a restoring unit capable of restoring the recording heads; a detection unit for determining the type of the recording head or the ink tank; and a control unit for causing the restoring unit to restore the recording head in a case where the detection unit has detected change of the recording head or the ink tank to the recording head or the ink tank of the same type, and inhibiting the restoring unit from restoring the recording head in a case where the detection unit has detected change to the recording head or the ink tank of a different type.

Ink jet recording apparatus, electronic apparatus using the same and change control method therefor

An ink cartridge, removably mountable on a fixed mounting portion of an ink jet recording apparatus for supplying discharged ink to a recording head carried on a movable carriage of the apparatus, comprises a flag member mounted for protrusion and retraction, an arrangement for protruding the flag member toward a path along which the carriage is moved when the ink cartridge is mounted on the mounting portion, and a photosensor mounted on the carriage in a position where it will be shielded from light by the protruding flag member.

Ink jet recording apparatus and ink cartridge for the apparatus

A recording apparatus comprises a first gear, a second gear meshable with the first gear, a third gear meshable with the first gear and the second gear. The third gear has a peripheral surface on which a toothed portion meshable with the first gear and an untoothed portion not meshable with a toothed portion of the first gear are disposed opposable to the first gear, and a peripheral surface on which a toothed portion meshable with the second gear is disposed opposable to said second gear, a gear drive switching control unit controls switching such that when the toothed portion adjacent the untoothed portion of the third gear comes into contact with the first gear, the second gear and the third gear are meshed to rotate the third gear to oppose the untoothed portion of the third gear to the first gear, thereby releasing the contact between the first gear and the third gear.

Recording apparatus and a drive switching method using a partially untoothed gear for use with said recording apparatus

Growing community of inventors

Yokohama, Japan

Hideki Yamaguchi