Patents by Inventor Eiichiro Tsuji
Eiichiro Tsuji 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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Publication number: 20140110553Abstract: A seat slide apparatus for a vehicle includes a first rail, a second rail, a lock member, a biasing member, the lock member being rotatably connected to the second rail in a state where a support shaft fixed to one of the second rail and the lock member is positioned within an elongated hole formed at the other of the second rail and the lock member to be movable in first and second directions of the relative movement and is biased by a support shaft biasing member in a direction orthogonal to the first and second directions, and a restriction portion restricting the support shaft from moving within the elongated hole in the first and second directions in a case where a load applied in one of the first and second directions is smaller than a predetermined value.Type: ApplicationFiled: October 10, 2013Publication date: April 24, 2014Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Naoaki HOSHIHARA, Eiichiro Tsuji, Mikihito Nagura, Yukifumi Yamada
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Publication number: 20140110552Abstract: A seat slide apparatus for a vehicle includes a lock member selectively locking and restricting relative movement between a first and a second rails and a pair of resilient members formed with shaft biasing portions biasing a retaining shaft in a direction opposite to a direction of biasing the lock member. A first and a second end portions of each resilient member are arranged at positions arranging the shaft biasing portions between the first and the second end portions. The first end portion is locked and restrained to the lock member and the second end portion is locked and restrained to the second rail. A first resilient member of the resilient members includes a stress concentrating portion concentrating stress greater than the stress at a second resilient member. The first rail includes a multiple number of engaging portions for engaging with the stress concentrating portion released from the retaining shaft.Type: ApplicationFiled: October 10, 2013Publication date: April 24, 2014Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yukifumi YAMADA, Eiichiro Tsuji, Mikihito Nagura
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Patent number: 8677848Abstract: A speed reduction device for a power seat adapted to be fixed to a seat frame, the speed reduction device includes a worm gear rotating with a motor output shaft, a helical gear meshed with the worm gear and rotating with a drive shaft driving a movable portion of the power seat, and a casing accommodating the worm gear and the helical gear. The casing includes a casing body rotatably supporting the worm gear, a casing cover tightened to the casing body, annular fitting portions fitted to each other, a first engagement portion formed at an outer circumferential side of the annular fitting portion of one of the casing body and the casing cover, a second engagement portion formed at the other of the casing body and the casing cover and engaging with the first engagement portion, and a tightening means tightening the casing cover to the casing body.Type: GrantFiled: March 29, 2010Date of Patent: March 25, 2014Assignee: Aisin Seiki Kabushiki KaishaInventors: Yoshitaka Koga, Eiichiro Tsuji
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Patent number: 8590971Abstract: A seat adjusting apparatus for a vehicle includes a supporting member pivotally supported at a base member by a first bearing, a pinion gear driven by a driving device, a sector gear engageable with the pinion gear and a restriction mechanism formed at the sector gear for restricting a relative rotation between the pinion gear and the sector gear. The restriction mechanism includes a contact portion coming in contact with the pinion gear so that a component force of a reaction force, which works in a direction in which the first bearing is separated from the second bearing, acting on the pinion gear is reduced. A thickness of a first tooth root of a tooth included in the teeth formed at the sector gear is larger than a thickness of a second tooth root of the other teeth formed at the sector gear.Type: GrantFiled: March 7, 2011Date of Patent: November 26, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Sadao Ito, Toshiaki Nagata, Eiichiro Tsuji
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Patent number: 8171823Abstract: A power seat driving apparatus for a vehicle includes a moving unit and a decelerating mechanism, wherein the decelerating mechanism includes a driving gear to which a driving force is inputted, a driven gear engaged with the driving gear so as to be rotatably driven by the driving gear while decelerating a rotational speed of the driving force transmitted thereto, and a housing, at least one of the driving gear and the driven gear includes a shaft portion and a gear portion including a tooth portion, which engages with a tooth portion of the other one of the driving gear and the driven gear, an annular recessed portion is formed at a stepped portion between the gear portion and the shaft portion, the annular recessed portion, and the housing includes a bearing bore having a bearing surface and an annular protruding portion, which is fitted into the annular recessed portion.Type: GrantFiled: September 10, 2009Date of Patent: May 8, 2012Assignee: Aisin Seiki Kabushiki KaishaInventors: Yoshitaka Koga, Hirokazu Suzumura, Eiichiro Tsuji
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Publication number: 20110241400Abstract: A seat adjusting apparatus for a vehicle includes a supporting member pivotally supported at a base member by means of a first bearing, a pinion gear driven by a driving device, a sector gear engageable with the pinion gear and a restriction mechanism formed at the sector gear for restricting a relative rotation between the pinion gear and the sector gear. The restriction mechanism includes a contact portion coming in contact with the pinion gear so that a component force of a reaction force, which works in a direction in which the first bearing is separated from the second bearing, acting on the pinion gear is reduced. A thickness of a first tooth root of a tooth included in the teeth formed at the sector gear is larger than a thickness of a second tooth root of the other teeth formed at the sector gear.Type: ApplicationFiled: March 7, 2011Publication date: October 6, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Sadao ITO, Toshiaki Nagata, Eiichiro Tsuji
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Publication number: 20100300228Abstract: A speed reduction device for a power seat adapted to be fixed to a seat frame, the speed reduction device includes a worm gear rotating with a motor output shaft, a helical gear meshed with the worm gear and rotating with a drive shaft driving a movable portion of the power seat, and a casing accommodating the worm gear and the helical gear. The casing includes a casing body rotatably supporting the worm gear, a casing cover tightened to the casing body, annular fitting portions fitted to each other, a first engagement portion formed at an outer circumferential side of the annular fitting portion of one of the casing body and the casing cover, a second engagement portion formed at the other of the casing body and the casing cover and engaging with the first engagement portion, and a tightening means tightening the casing cover to the casing body.Type: ApplicationFiled: March 29, 2010Publication date: December 2, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yoshitaka KOGA, Eiichiro Tsuji
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Publication number: 20100060061Abstract: A power seat driving apparatus for a vehicle includes a moving unit and a decelerating mechanism. The deceleration mechanism includes a driving gear, a driven gear engaging with the driving gear and driven to rotate while decelerating a rotational speed of the driving gear, a supplemental gear coaxially connected to the driven gear in an interlocking manner, made of a resin material having elasticity and lower rigidity than the driven gear, having a larger tooth thickness than a tooth thickness of the driven gear by an amount corresponding to a backlash, and engaging the driving gear together with the driven gear, and a housing accommodating and rotatably supporting the driving gear, the driven gear and the supplemental gear.Type: ApplicationFiled: September 10, 2009Publication date: March 11, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yoshitaka KOGA, Hirokazu SUZUMURA, Eiichiro TSUJI
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Publication number: 20100060062Abstract: A power seat driving apparatus for a vehicle includes a moving unit and a decelerating mechanism, wherein the decelerating mechanism includes a driving gear to which a driving force is inputted, a driven gear engaged with the driving gear so as to be rotatably driven by the driving gear while decelerating a rotational speed of the driving force transmitted thereto, and a housing, at least one of the driving gear and the driven gear includes a shaft portion and a gear portion including a tooth portion, which engages with a tooth portion of the other one of the driving gear and the driven gear, an annular recessed portion is formed at a stepped portion between the gear portion and the shaft portion, the annular recessed portion, and the housing includes a bearing bore having a bearing surface and an annular protruding portion, which is fitted into the annular recessed portion.Type: ApplicationFiled: September 10, 2009Publication date: March 11, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yoshitaka KOGA, Hirokazu SUZUMURA, Eiichiro TSUJI
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Publication number: 20090218868Abstract: A seat lifting apparatus includes a seat cushion frame pivotally moving about a pivot center provided at a lower frame, a driven gear having a first end portion engaged with a driving gear connected to a driving mechanism, a pivotal link member provided between a second end portion of the driven gear and the seat cushion frame for absorbing a deviation between a locus of the second end portion of the driven gear and an arc-shaped locus of the seat cushion frame, and a side frame plate pivotally supported by the lower arm about the pivot center for supporting the seat cushion frame and including a sidewall portion arranged to be parallel with an operational plane of the driven gear and the pivotal link member. The pivotal link member and the side surface portion of the side frame plate are engaged with each other at plural portions.Type: ApplicationFiled: February 17, 2009Publication date: September 3, 2009Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yoshitaka KOGA, Eiichiro Tsuji
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Patent number: 7574280Abstract: It is an object to provide an AGV that enables preventing a substrate and a manufacturing system from being contaminated due to another substrate with an adhering contaminant generated in a manufacturing process, and also a production system for a semiconductor device and a production management method for a semiconductor device, which use the AGV. In the present invention, air filtered through a filter is introduced into a containing portion of an AGV, and air in the containing portion containing a carrier is exhausted after filtering the air in the containing portion through another filter. As the filter used before discharging the air, a filter that enables filtering an impurity on the order of a submicron level is used. In addition, a carrier used before doping is changed to another carrier after doping, and CIM system is used to control driving of the AGV and selection of the carrier.Type: GrantFiled: May 18, 2006Date of Patent: August 11, 2009Assignee: Semiconductor Energy Laboroatory Co., Ltd.Inventors: Hisashi Ohtani, Eiichiro Tsuji
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Patent number: 7556234Abstract: A seat slide device for a vehicle seat includes a lower rail fixed to a vehicle floor, a support bracket for supporting the vehicle seat, an upper rail fixed to the support bracket and slidably supported on the lower rail relative to the lower rail, a nut member fixed to the lower rail, a screw shaft engageable with the nut member and rotatably supported on the upper rail and a gear device supported on one end of the upper rail through a holdong bracket to transmit a rotational force from a power source to the screw shaft. The upper rail is movable relative to the lower rail in a front and backward direction relative to the seat by the engagement of the screw shaft with the nut member. The holding bracket is fixed to the upper rail and the support bracket for supporting a gear case of the gear device over a circumferential area of the gear case on front, rear, upper and lower surfaces in cooperation with the first support bracket.Type: GrantFiled: November 14, 2006Date of Patent: July 7, 2009Assignee: Aisin Seiki Kabushiki KaishaInventors: Sadao Ito, Makoto Sakai, Eiichiro Tsuji
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Publication number: 20090085390Abstract: A positioning apparatus of a seat for a vehicle includes a first frame adapted to be supported by a member provided on a vehicle floor and adapted to support a seat cushion, a second frame rotatably supported by the first frame and vertically rotatably supporting the seat cushion, a link member rotatably supported by the first frame and linked to the second frame for rotatably moving the second frame relative to the first frame, and a rotational member rotatably supported by the first frame and including an eccentric shaft portion, wherein the eccentric shaft portion has a first rotational portion including a first rotational center about which the second frame rotates relative to the first frame and a second rotational portion including a second rotational center about which the rotational member rotates relative to the first frame and which is eccentrically provided relative to the first rotational center.Type: ApplicationFiled: September 19, 2008Publication date: April 2, 2009Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yoshitaka KOGA, Hirokazu SUZUMURA, Eiichiro TSUJI
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Patent number: 7429083Abstract: An ottoman device includes a first rotation link rotatably supported at a front end of a seat in order to support an ottoman main body, which is extended to a front direction of the seat or stored within the seat, in accordance with the rotation of the rotation link in a first direction and a second direction, and a lock device for prohibiting or allowing the rotation of the first rotation link, the lock device being attached to the first rotation link at a rotational center thereof.Type: GrantFiled: January 19, 2006Date of Patent: September 30, 2008Assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki KaishaInventors: Eiichiro Tsuji, Yukifumi Yamada, Takahiro Ishijima
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Patent number: 7325851Abstract: A power seat slide apparatus includes: a housing fixedly mounted on the first rail and possessing a reverse U-shaped cross section projecting upwardly with an upper wall, which forms an upper surface of the reverse U-shaped cross section, and first and second sidewalls, which forms side surfaces of the reverse U-shaped cross section. The housing further includes a notch defined by a first notch end surface of the upper wall and a second notch end surface of the first and second sidewalls. A nut member is fitted into the notch of the housing, supported inside the housing, and is held tight in the longitudinal direction of the vehicle by the first notch end surface and the second notch end surface. A screw shaft is freely rotatably supported by the second rail and is engaged with the nut member.Type: GrantFiled: April 7, 2006Date of Patent: February 5, 2008Assignee: Aisin Seiki Kabushiki KaishaInventors: Sadao Ito, Makoto Sakai, Eiichiro Tsuji
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Publication number: 20070108360Abstract: A seat slide device for a vehicle seat includes a lower rail fixed to a vehicle floor, a support bracket for supporting the vehicle seat, an upper rail fixed to the support bracket and slidably supported on the lower rail relative to the lower rail, a nut member fixed to the lower rail, a screw shaft engageable with the nut member and rotatably supported on the upper rail and a gear device supported on one end of the upper rail through a holdong bracket to transmit a rotational force from a power source to the screw shaft. The upper rail is movable relative to the lower rail in a front and backward direction relative to the seat by the engagement of the screw shaft with the nut member. The holding bracket is fixed to the upper rail and the support bracket for supporting a gear case of the gear device over a circumferential area of the gear case on front, rear, upper and lower surfaces in cooperation with the first support bracket.Type: ApplicationFiled: November 14, 2006Publication date: May 17, 2007Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Sadao Ito, Makoto Sakai, Eiichiro Tsuji
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Publication number: 20070019146Abstract: This invention is intended to reduce the manufacturing cost of an active matrix type display device and to provide an inexpensive display device. To reduce the manufacturing cost of the active matrix type display device, TFT's used for a pixel, sections are all TFT's of one conductive type (indicating p channel type TFT's or n channel type TFT's), and a driving circuit is formed out of the TFT's of the same conductive type as that of the pixel section. It is thereby possible to reduce manufacturing steps and to reduce the manufacturing cost.Type: ApplicationFiled: September 28, 2006Publication date: January 25, 2007Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Eiichiro Tsuji
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Publication number: 20060226674Abstract: A power seat slide apparatus includes: a housing fixedly mounted on the first rail and possessing a reverse U-shaped cross section projecting upwardly with an upper wall, which forms an upper surface of the reverse U-shaped cross section, and first and second sidewalls, which forms side surfaces of the reverse U-shaped cross section. The housing further includes a notch defined by a first notch end surface of the upper wall and a second notch end surface of the first and second sidewalls. A nut member is fitted into the notch of the housing, supported inside the housing, and is held tight in the longitudinal direction of the vehicle by the first notch end surface and the second notch end surface. A screw shaft is freely rotatably supported by the second rail and is engaged with the nut member.Type: ApplicationFiled: April 7, 2006Publication date: October 12, 2006Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Sadao Ito, Makoto Sakai, Eiichiro Tsuji
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Publication number: 20060212152Abstract: It is an object to provide an AGV that enables preventing a substrate and a manufacturing system from being contaminated due to another substrate with an adhering contaminant generated in a manufacturing process, and also a production system for a semiconductor device and a production management method for a semiconductor device, which use the AGV. In the present invention, air filtered through a filter is introduced into a containing portion of an AGV, and air in the containing portion containing a carrier is exhausted after filtering the air in the containing portion through another filter. As the filter used before discharging the air, a filter that enables filtering an impurity on the order of a submicron level is used. In addition, a carrier used before doping is changed to another carrier after doping, and CIM system is used to control driving of the AGV and selection of the carrier.Type: ApplicationFiled: May 18, 2006Publication date: September 21, 2006Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hisashi Ohtani, Eiichiro Tsuji
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Publication number: 20060158015Abstract: An ottoman device includes a first rotation link rotatably supported at a front end of a seat in order to support an ottoman main body, which is extended to a front direction of the seat or stored within the seat, in accordance with the rotation of the rotation link in a first direction and a second direction, and a lock device for prohibiting or allowing the rotation of the first rotation link, the lock device being attached to the first rotation link at a rotational center thereof.Type: ApplicationFiled: January 19, 2006Publication date: July 20, 2006Applicants: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Eiichiro Tsuji, Yukifumi Yamada, Takahiro Ishijima