Patents by Inventor Yasuo Shirai
Yasuo Shirai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8298105Abstract: A hybrid drive device, which has a motor generator on a power transmission path between an engine and an automatic transmission apparatus, includes a fluid clutch having a pump impeller, to which a rotational force generated by the engine is inputted, and a turbine impeller being rotated when receiving a fluid from the pump impeller and outputting a rotational force to the automatic transmission apparatus, a clutch mechanism connecting the pump impeller and the turbine impeller to establish a power transmission therebetween and disconnecting the pump impeller and the turbine impeller to interrupt the power transmission therebetween, and an oil pump arranged on a power transmission path between the turbine impeller and the automatic transmission apparatus, integrally rotating with the turbine impeller and generating a hydraulic pressure for actuating the automatic transmission apparatus and the clutch mechanism, wherein the motor generator is integrally rotated with the turbine impeller.Type: GrantFiled: September 28, 2009Date of Patent: October 30, 2012Assignee: Aisin Seiki Kabushiki KaishaInventors: Naoki Kajigai, Yasuo Shirai
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Publication number: 20110086739Abstract: A hybrid drive device includes a fluid clutch including an inputting element to which an engine torque outputted from an engine is inputted and an outputting element connected to an input shaft of a transmission to integrally rotate therewith for outputting the torque to the input shaft, the fluid clutch transmitting the torque between the inputting element and the outputting element via a fluid either with or without incrementing the torque, and a motor generator connected to the input shaft for outputting a motor torque to the input shaft to drive the transmission.Type: ApplicationFiled: September 23, 2010Publication date: April 14, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Naoki KAJIGAI, Yasuo Shirai
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Publication number: 20100228451Abstract: A hydraulic pressure controlling apparatus includes a hydraulic pressure controlling portion controlling a hydraulic pressure supplied to plural engagement elements of an automatic transmission apparatus, a mechanical oil pump supplying the hydraulic pressure to the hydraulic pressure controlling portion, an electric oil pump supplying the hydraulic pressure to a starting shift stage engagement element, and an electronic controlling portion controlling operations of the hydraulic pressure controlling portion, a power source and the electronic oil pump based on a signal indicating a predetermined state of a vehicle, wherein the electronic controlling portion controls the hydraulic pressure controlling portion so as to forbid a shifting to a shift stage, which is likely to induce an interlock at the automatic transmission apparatus, based on an engagement of the starting shift stage engagement element in a case where the electronic controlling portion determines that the electric oil pump is in an on-fail stateType: ApplicationFiled: March 2, 2010Publication date: September 9, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Masahiro HOSOYA, Yasuo Shirai, Masato Shimei, Osamu Sakamoto
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Publication number: 20100228452Abstract: A hydraulic pressure controlling apparatus includes a hydraulic pressure controlling portion controlling a hydraulic pressure supplied to engagement elements of an automatic transmission apparatus, a mechanical oil pump supplying the hydraulic pressure to the hydraulic pressure controlling portion, an electric oil pump supplying the hydraulic pressure to a starting shift stage engagement element, a first check valve provided at a first hydraulic conduit, allowing a supply of the hydraulic pressure from the electric oil pump to the starting shift stage engagement element and interrupting an inverse supply of the hydraulic pressure, and an electronic controlling portion controlling operations of the hydraulic pressure controlling portion, a power source and the electronic oil pump, wherein the electric oil pump supplies the hydraulic pressure to the starting shift stage engagement element via the first hydraulic conduit, which differs from a second hydraulic conduit and at which the first check valve is provideType: ApplicationFiled: March 2, 2010Publication date: September 9, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Masahiro Hosoya, Yasuo Shirai, Masami Osawa
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Publication number: 20100078281Abstract: A hybrid drive device, which has a motor generator on a power transmission path between an engine and an automatic transmission apparatus, includes a fluid clutch having a pump impeller, to which a rotational force generated by the engine is inputted, and a turbine impeller being rotated when receiving a fluid from the pump impeller and outputting a rotational force to the automatic transmission apparatus, a clutch mechanism connecting the pump impeller and the turbine impeller to establish a power transmission therebetween and disconnecting the pump impeller and the turbine impeller to interrupt the power transmission therebetween, and an oil pump arranged on a power transmission path between the turbine impeller and the automatic transmission apparatus, integrally rotating with the turbine impeller and generating a hydraulic pressure for actuating the automatic transmission apparatus and the clutch mechanism, wherein the motor generator is integrally rotated with the turbine impeller.Type: ApplicationFiled: September 28, 2009Publication date: April 1, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Naoki KAJIGAI, Yasuo Shirai
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Patent number: 7369692Abstract: A skin observing apparatus capable of observing the skin texture, blotches caused from subcutaneous pigmentation and skin roughness caused from keratin abrasion by a single unit of image pick-up device without using a polarization plate for observing blotches or consumption articles such as a keratin sampling seal, the apparatus including an image pick-up head having an view hole to be in contact with a skin and, provided inside the image pick-up device, an image pick-up device for picking-up images of the skin through the view hole, and an illumination system comprising three systems, that is, a texture observing illumination system for irradiating a white light to the view hole along the image pick-up light axis (X), a keratin abrasion observing illumination system for irradiating a white light to the view hole from the lateral direction thereof, and a subcutaneous pigment observing illumination system for irradiating a UV-light to the view hole.Type: GrantFiled: June 14, 2004Date of Patent: May 6, 2008Assignee: Moritex CorporationInventors: Yasuo Shirai, Hiroshi Misawa, Tsuyoshi Kawai
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Patent number: 7179227Abstract: A skin condition observation apparatus having a sebum amount measuring device adapted for bringing a sebum sampling surface into contact with skins and optically measuring the amount of deposited sebum, wherein the sebum amount measuring device comprises an orthogonal prism having two reflection surfaces orthogonal with each other in which one reflection surface is exposed as the sebum sampling surface, and a light emitting element for illuminating a light to one of the reflection surfaces and a photoreceiving element for detecting the intensity of a reflection light reflected on the two reflection surfaces and returned therefrom are located being opposed to the hypotenuse surface at the back of the orthogonal prism, with their optical axes being in parallel with each other, whereby the sebum amount measuring device of the skin condition observation apparatus can be manufactured with no requirement for glass fabrication at high accuracy, troublesome and delicate alignment for optical axes with respect to theType: GrantFiled: August 19, 2003Date of Patent: February 20, 2007Assignee: Moritex CorporationInventor: Yasuo Shirai
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Patent number: 7151956Abstract: An imaging apparatus in which an imaging head having an observation hole for intaking images of an object to be observed formed at a top end is exchangeably mounted to a main body having an imaging device and an illumination light source wherein the imaging head is provided with a plurality of optical fibers for guiding a light from the illumination light source and illuminating the same to the object, light incident ends of respective optical fibers are disposed at positions opposing to emission ends of the illumination light source, and the light emission ends are circularly disposed around the image pick-up optical axis, whereby an appropriate illumination light in accordance with a magnifying ratio can be illuminated without disposing an illumination light source such as of LEDs to an imaging head such as an exchangeable lens unit.Type: GrantFiled: July 11, 2002Date of Patent: December 19, 2006Assignee: Moritex CorporationInventors: Masao Satoh, Makoto Toyota, Yasuo Shirai
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Patent number: 7008344Abstract: A control apparatus for controlling a shift operation in an automatic transmission includes a disengaging side controlling device for performing a feedback control so as to substantially match a slip amount calculated by a slip amount calculating device with a target slip amount calculated by a target slip amount calculating device when the calculated slip amount is judged to be in excess of the predetermined threshold value by a judging device. The target slip amount varies from a predetermined threshold value to a predetermined target value drawing an ideal trace for restraining a shift shock and is maintained at the predetermined target value. The control apparatus further includes an engaging side controlling device for increasing a torque to be transmitted to an on-coming friction engagement element in association with commencement of the feedback control.Type: GrantFiled: July 29, 2003Date of Patent: March 7, 2006Assignee: Aisin Seiki Kabushiki KaishaInventors: Akira Aikawa, Hiroaki Kato, Katsutoshi Sato, Yasuo Shirai, Atsumi Ohara
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Publication number: 20040257439Abstract: A skin observing apparatus capable of observing the skin texture, blotches caused from subcutaneous pigmentation and skin roughness caused from keratin abrasion by a single unit of image pick-up device without using a polarization plate for observing blotches or consumption articles such as a keratin sampling seal, the apparatus including an image pick-up head having an view hole to be in contact with a skin and, provided inside the image pick-up device, an image pick-up device for picking-up images of the skin through the view hole, and an illumination system comprising three systems, that is, a texture observing illumination system for irradiating a white light to the view hole along the image pick-up light axis (X), a keratin abrasion observing illumination system for irradiating a white light to the view hole from the lateral direction thereof, and a subcutaneous pigment observing illumination system for irradiating a UV-light to the view hole.Type: ApplicationFiled: June 14, 2004Publication date: December 23, 2004Applicant: Moritex CorporationInventors: Yasuo Shirai, Hiroshi Misawa, Tsuyoshi Kawai
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Patent number: 6742639Abstract: A control apparatus for controlling a shift operation sets an output Mout from a reference model M(s), which is ideally changed, as a target slip amount of a feedback controller Cpi(s). The controller Cpi(s) controls torque transmitted to an off-going friction engagement element for matching a control slip amount sp with the target slip amount. The characteristics of the controller Cpi(s) is determined for optimally performing a clutch-to-clutch shift operation during a lock-up clutch being engaged. When the lock-up clutch has been disengaged, an input shaft rotation speed is filtered by a notch filter NF for removing a frequency component in a predetermined frequency domain, wherein the control slip amount sp is obtained based upon the filtered input shaft rotation speed.Type: GrantFiled: December 16, 2002Date of Patent: June 1, 2004Assignee: Aisin Seiki Kabushiki KaishaInventors: Akira Aikawa, Hiroaki Kato, Katsutoshi Sato, Yasuo Shirai, Atsumi Ohara
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Publication number: 20040102289Abstract: A control apparatus for controlling a shift operation in an automatic transmission includes a disengaging side controlling means for performing a feedback control so as to substantially match a slip amount calculated by a slip amount calculating means with a target slip amount calculated by a target slip amount calculating means when the calculated slip amount is judged to be in excess of the predetermined threshold value by a judging means. The target slip amount varies from a predetermined threshold value to a predetermined target value drawing an ideal trace for restraining a shift shock and is maintained at the predetermined target value. The control apparatus further includes an engaging side controlling means for increasing a torque to be transmitted to an on-coming friction engagement element in association with commencement of the feedback control.Type: ApplicationFiled: July 29, 2003Publication date: May 27, 2004Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Akira Aikawa, Hiroaki Kato, Katsutoshi Sato, Yasuo Shirai, Atsumi Ohara
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Publication number: 20040086456Abstract: A skin condition observation apparatus having a sebum amount measuring device adapted for bringing a sebum sampling surface into contact with skins and optically measuring the amount of deposited sebum, wherein the sebum amount measuring device comprises an orthogonal prism having two reflection surfaces orthogonal with each other in which one reflection surface is exposed as the sebum sampling surface, and a light emitting element for illuminating a light to one of the reflection surfaces and a photoreceiving element for detecting the intensity of a reflection light reflected on the two reflection surfaces and returned therefrom are located being opposed to the hypotenuse surface at the back of the orthogonal prism, with their optical axes being in parallel with each other, whereby the sebum amount measuring device of the skin condition observation apparatus can be manufactured with no requirement for glass fabrication at high accuracy, troublesome and delicate alignment for optical axes with respect to theType: ApplicationFiled: August 19, 2003Publication date: May 6, 2004Applicant: Moritex CorporationInventor: Yasuo Shirai
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Publication number: 20030130078Abstract: A control apparatus for controlling a shift operation sets an output Mout from a reference model M(s), which is ideally changed, as a target slip amount of a feedback controller Cpi(s). The controller Cpi(s) controls torque transmitted to an off-going friction engagement element for matching a control slip amount sp with the target slip amount. The characteristics of the controller Cpi(s) is determined for optimally performing a clutch-to-clutch shift operation during a lock-up clutch being engaged. When the lock-up clutch has been disengaged, an input shaft rotation speed is filtered by a notch filter NF for removing a frequency component in a predetermined frequency domain, wherein the control slip amount sp is obtained based upon the filtered input shaft rotation speed.Type: ApplicationFiled: December 16, 2002Publication date: July 10, 2003Inventors: Akira Aikawa, Hiroaki Kato, Katsutoshi Sato, Yasuo Shirai, Atsumi Ohara
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Publication number: 20030026110Abstract: An illumination system previously determined for an illumination direction and an illumination position to an object to be observed is disposed to an imaging head, while a lens 4 is disposed to an apparatus body, so that the number of parts for the imaging head mounted to an apparatus body can be reduced, precision fabrication such as alignment of lens optical axis is no more necessary upon manufacture of the imaging head and optimum illumination can be illuminated in accordance with the magnification ratio or the object to be observed by merely exchanging the imaging head, illumination light optimal to the magnification ratio or object to be observed can be obtained with no provision of various kinds of expositive lens units.Type: ApplicationFiled: August 5, 2002Publication date: February 6, 2003Applicant: MORITEX CORPORATIONInventors: Masao Satoh, Makoto Toyota, Yasuo Shirai
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Publication number: 20030012461Abstract: An imaging apparatus in which an imaging head having an observation hole for intaking images of an object to be observed formed at a top end is exchangeably mounted to a main body having an imaging device and an illumination light source wherein the imaging head is provided with a plurality of optical fibers for guiding a light from the illumination light source and illuminating the same to the object, light incident ends of respective optical fibers are disposed at positions opposing to emission ends of the illumination light source, and the light emission ends are circularly disposed around the image pick-up optical axis, whereby an appropriate illumination light in accordance with a magnifying ratio can be illuminated without disposing an illumination light source such as of LEDs to an imaging head such as an exchangeable lens unit.Type: ApplicationFiled: July 11, 2002Publication date: January 16, 2003Applicant: Moritex CorporationInventors: Masao Satoh, Makoto Toyota, Yasuo Shirai
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Patent number: 6480777Abstract: A hydraulic pressure control device for an automatic transmission is adapted to smoothly change the slip amount of the automatic transmission when a clutch to clutch shift control is performed. The hydraulic pressure control device uses a reference model showing a behavior with an output corresponding to a predetermined slip amount which smoothly varies over time with respect to a target slip amount which varies in a stepped manner. The hydraulic pressure is applied to a release side frictional engagement element using a controller CEMM (s) which shows a behavior such that the controller CEMM(s) and a controlled object P(s) are collaborated to correspond to the reference model. The controller CEMM(s) and the controlled object P(s) have the hydraulic pressure applied to the release side frictional engagement element of the automatic transmission as an input and the slip amount of the automatic transmission as an output.Type: GrantFiled: January 29, 2002Date of Patent: November 12, 2002Assignee: Aisin Seiki Kabushiki KaishaInventors: Katsutoshi Sato, Yasuo Shirai, Akira Aikawa, Hiroaki Kato, Atsumi Ohara
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Publication number: 20020156563Abstract: A hydraulic pressure control device for an automatic transmission is adapted to smoothly change the slip amount of the automatic transmission when a clutch to clutch shift control is performed. The hydraulic pressure control device uses a reference model showing a behavior with an output corresponding to a predetermined slip amount which smoothly varies over time with respect to a target slip amount which varies in a stepped manner. The hydraulic pressure is applied to a release side frictional engagement element using a controller CEMM (s) which shows a behavior such that the controller CEMM (s) and a controlled object P(s) are collaborated to correspond to the reference model. The controller CEMM (s) and the controlled object P(s) have the hydraulic pressure applied to the release side frictional engagement element of the automatic transmission as an input and the slip amount of the automatic transmission as an output.Type: ApplicationFiled: January 29, 2002Publication date: October 24, 2002Inventors: Katsutoshi Sato, Yasuo Shirai, Akira Aikawa, Hiroaki Kato, Atsumi Ohara
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Patent number: 6327540Abstract: The invention provides a method of detecting an end point, an end point detector, a computer memory product and a chemical mechanical polishing apparatus, in which a physical quantity changing in accordance with proceeding of a process is measured, first time series data and second time series data delayed by a predetermined time from the first time series data are extracted on the basis of the measured Physical quantity, and the end point of the process is detected on the basis of correlation between the first time series data and the second time series data. Thus, the end point can be detected in a shorter period of time without previously performing plural tests.Type: GrantFiled: September 25, 1998Date of Patent: December 4, 2001Assignee: Tokyo Electron Ltd.Inventors: Takaya Miyano, Kiyoshi Miura, Kazuto Hasegawa, Yasuo Shirai
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Patent number: 6074325Abstract: A shift control unit which improves the shift feeling of an automatic transmission includes an operation control device for placing a frictional engaging element in a slow drain state during a timing time decided by a timing time deciding device and in a quick drain state when the timing time has elapsed.Type: GrantFiled: January 6, 1999Date of Patent: June 13, 2000Assignee: Aisin Seiki Kabushiki KaishaInventors: Yoshiyuki Onimaru, Masato Shimei, Takanao Suzuki, Yasuo Shirai, Atuo Okumura, Takahiro Sakai