Patents by Inventor Keisuke Nomura
Keisuke Nomura 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: 20200301354Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: ApplicationFiled: June 5, 2020Publication date: September 24, 2020Inventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Patent number: 10712707Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: GrantFiled: December 19, 2018Date of Patent: July 14, 2020Assignee: Canon Kabushiki KaishaInventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Patent number: 10698361Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: GrantFiled: February 28, 2018Date of Patent: June 30, 2020Assignee: Canon Kabushiki KaishaInventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Publication number: 20200056409Abstract: A vehicle lock device includes a base member, a latch, and a release lever. The base member includes a base groove, into which a striker is inserted. The latch includes a latch groove into which the striker is inserted. The latch is pivotal between a lock position, where the striker is fixed to the base groove, and an unlock position, where the striker is released from the base groove. The release lever is pivotal between a lock release position, where pivoting of the latch is permitted from the lock position to the unlock position, and a restriction position, where pivoting of the latch is restricted from the lock position to the unlock position. The release lever includes an engagement release member that contacts the latch when pivoted from the restriction position to the lock release position to pivot the latch from the lock position to the unlock position.Type: ApplicationFiled: October 30, 2017Publication date: February 20, 2020Applicant: SHIROKI CORPORATIONInventors: Masahiro BAN, Takayuki HIROSE, Yuki ABE, Keisuke NOMURA
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Publication number: 20190121285Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: ApplicationFiled: December 19, 2018Publication date: April 25, 2019Inventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Patent number: 10025266Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: GrantFiled: December 6, 2016Date of Patent: July 17, 2018Assignee: Canon Kabushiki KaishaInventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Patent number: 10026964Abstract: A positive electrode for a rechargeable lithium battery includes a positive current collector; a high elastic modulus layer on the positive current collector and including a first positive active material and a high elastic modulus binder; and a low elastic modulus layer on the high elastic modulus layer and including a second positive active material and a low elastic modulus binder, wherein the low elastic modulus binder has a lower tensile modulus than the high elastic modulus binder. A winding element includes the positive electrode. A rechargeable lithium battery includes the winding element.Type: GrantFiled: December 28, 2015Date of Patent: July 17, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Keisuke Nomura, Hironobu Fukahori
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Publication number: 20180188683Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: ApplicationFiled: February 28, 2018Publication date: July 5, 2018Inventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Patent number: 9963048Abstract: A seat slide apparatus for a vehicle, the seat slide apparatus includes: a lower rail which is fixed to a vehicle floor; an upper rail which is slidably engaged with the lower rail; and a rolling element circulation unit having rolling elements and interposed between the lower rail and the upper rail in a state where the rolling elements are able to be circulated, in which the lower rail includes a bottom wall portion, sidewall portions, and upper wall portions, the upper rail includes a main body portion, and folded-back portions, the rolling element circulation unit includes a case having an annular accommodating path accommodating the rolling elements, between the lower rail and the upper rail, an upper rolling element circulation unit and a lower rolling element circulation unit are provided to be disposed at two positions spaced apart from each other, and the upper rail includes a pedestal portion.Type: GrantFiled: March 20, 2017Date of Patent: May 8, 2018Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Keisuke Nomura, Tateki Kawamura, Naoaki Hoshihara
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Patent number: 9880517Abstract: A process cartridge includes: a photosensitive drum; a rotatable developing roller for developing an electrostatic latent image formed on the photosensitive drum; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller, for transmitting a driving force to the developing roller; a coupling member disposed at an end portion of the shaft of the developing roller; a driving force receiving portion, provided on the coupling member and movable in a direction crossing the shaft of the rotatable roller, for receiving a driving force to be transmitted to the developing roller; an urging member for urging the drive receiving portion in the direction crossing the shaft of the rotatable roller; a supporting portion for rotatably supporting the drive receiving portion so as to be movable together with the drive receiving portion toward the rotatable roller in the direction crossing the shaft of the rotatable roller; and an abutting portion for receiving the supporting portioType: GrantFiled: June 11, 2015Date of Patent: January 30, 2018Assignee: Canon Kabushiki KaishaInventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Publication number: 20180022237Abstract: A seat slide apparatus for a vehicle, the seat slide apparatus includes: a lower rail which is fixed to a vehicle floor; an upper rail which is slidably engaged with the lower rail; and a rolling element circulation unit having rolling elements and interposed between the lower rail and the upper rail in a state where the rolling elements are able to be circulated, in which the lower rail includes a bottom wall portion, sidewall portions, and upper wall portions, the upper rail includes a main body portion, and folded-back portions, the rolling element circulation unit includes a case having an annular accommodating path accommodating the rolling elements, between the lower rail and the upper rail, an upper rolling element circulation unit and a lower rolling element circulation unit are provided to be disposed at two positions spaced apart from each other, and the upper rail includes a pedestal portion.Type: ApplicationFiled: March 20, 2017Publication date: January 25, 2018Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Keisuke NOMURA, Tateki KAWAMURA, Naoaki HOSHIHARA
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Patent number: 9812652Abstract: An azine compound represented by the formula (1), a method for its production and an organic electroluminescent device containing it as a constituent component. wherein Ad each independently represents a 1-adamantyl group, etc., p and q are each independently 0 or 1, Ar1 and Ar2 are each independently a single bond (but only when p is 1, or q is 1), or a pyridyl group which may be substituted by a phenyl group, etc., incidentally, Ad groups on Ar1 and Ar2 are each independently bonded to said pyridyl group, etc., Ar2 is each independently a C3-13 heteroaromatic group which may be substituted by a fluorine atom, etc., X1, X2, X3 and X4 are each independently a single bond, etc., m and n are each independently 0, 1 or 2, Z is a nitrogen atom, etc., n+p+q is 1, 2 or 3.Type: GrantFiled: July 8, 2014Date of Patent: November 7, 2017Assignee: TOSOH CORPORATIONInventors: Nobumichi Arai, Keisuke Nomura, Tsuyoshi Tanaka
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Patent number: 9780310Abstract: A novel heterocyclic compound for an organic electroluminescent device excellent in long service life and light-emitting characteristics is provided. A cyclic azine compound has at least one substituent (substituent B) selected from a specific group.Type: GrantFiled: April 18, 2014Date of Patent: October 3, 2017Assignee: TOSOH CORPORATIONInventors: Yuji Oka, Nobumichi Arai, Yuuichi Miyashita, Tadahiro Yotsuya, Kana Fujita, Naoki Uchida, Keisuke Nomura, Tsuyoshi Tanaka
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Patent number: 9632479Abstract: A process cartridge for an image forming apparatus includes a drum unit supporting a photosensitive drum; a developing roller; a driving roller for driving the roller; a drive receiving portion; a developing unit supporting the developing roller and the driving roller; and a connecting portion connecting the drum unit and the developing unit, the connecting portion being disposed below the driving roller. The developing unit is movable relative to the drum unit by rotating about the connecting portion between a contacting position in which the drum and the developing roller contact each other and a spacing position in which the drum and the developing roller are spaced from each other. A direction of the receiving portion is opposite to that of the developing roller, and is the same as the developing unit rotation from the spacing position toward the contacting position.Type: GrantFiled: April 24, 2015Date of Patent: April 25, 2017Assignee: Canon Kabushiki KaishaInventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Patent number: 9625852Abstract: A cleaning unit for an image forming apparatus includes a frame; a cleaning blade; a first seal sealing between the frame and the blade, provided by injection molding into the frame adjacent to an axial end; and a second seal between the frame and the drum, provided opposing to the free end portion adjacent to the axial end portion, and the second seal having a L-like configuration with projection extending in a direction crossing with the axial direction outwardly beyond an end surface of the blade, wherein the first seal includes a base portion provided at a position inside of the end surface and extending in the crossing direction and an extension extending from the base portion in the axial direction, the extension having a free end portion compressed by the projection to seal between the projection and the frame.Type: GrantFiled: February 19, 2016Date of Patent: April 18, 2017Assignee: Canon Kabushiki KaishaInventors: Hiroki Shimizu, Susumu Nittani, Keisuke Nomura, Hideki Kakuta
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Publication number: 20170082971Abstract: A process cartridge including a photosensitive drum; a developing roller; a rotatable roller having a rotation shaft in a position deviated from an axis of the developing roller; an Oldham coupling member at an end portion of the shaft of the rotatable roller; an urging member for urging the drive receiving portion; a supporting portion supporting the drive receiving portion; an abutting portion receiving the supporting portion urged by the urging member, an elastic sheet positioned to contact at least part of the Oldham coupling member, wherein the abutting portion is positioned outside an outer periphery of the drum on a plane perpendicular to the shaft of the rotatable roller.Type: ApplicationFiled: December 6, 2016Publication date: March 23, 2017Inventors: Hideki Maeshima, Masato Tanabe, Keisuke Nomura, Hiroki Shimizu
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Publication number: 20160372678Abstract: An azine compound represented by the formula (1), a method for its production and an organic electroluminescent device containing it as a constituent component. wherein Ad each independently represents a 1-adamantyl group, etc., p and q are each independently 0 or 1, Ar1 and Ar2 are each independently a single bond (but only when p is 1, or q is 1), or a pyridyl group which may be substituted by a phenyl group, etc., incidentally, Ad groups on Ar1 and Ar2 are each independently bonded to said pyridyl group, etc., Ar2 is each independently a C3-13 heteroaromatic group which may be substituted by a fluorine atom, etc., X1, X2, X3 and X4 are each independently a single bond, etc., m and n are each independently 0, 1 or 2, Z is a nitrogen atom, etc., n+p+q is 1, 2 or 3.Type: ApplicationFiled: July 8, 2014Publication date: December 22, 2016Applicant: TOSOH CORPORATIONInventors: Nobumichi ARAI, Keisuke NOMURA, Tsuyoshi TANAKA
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Patent number: 9391327Abstract: A positive active material is disclosed that includes a lithium nickel composite oxide represented by the following Chemical Formula 1, wherein a full width at half maximum (FWHM003) at a (003) plane in X-ray diffraction ranges from about 0.12 to about 0.155, and a rechargeable lithium ion battery including the same.Type: GrantFiled: November 13, 2014Date of Patent: July 12, 2016Assignee: Samsung SDI Co, Ltd.Inventors: Keisuke Nomura, Yuki Takei, Masatsugu Nakano
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Publication number: 20160190593Abstract: A positive electrode for a rechargeable lithium battery includes a positive current collector; a high elastic modulus layer on the positive current collector and including a first positive active material and a high elastic modulus binder; and a low elastic modulus layer on the high elastic modulus layer and including a second positive active material and a low elastic modulus binder, wherein the low elastic modulus binder has a lower tensile modulus than the high elastic modulus binder. A winding element includes the positive electrode. A rechargeable lithium battery includes the winding element.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Inventors: Keisuke Nomura, Hironobu Fukahori
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Publication number: 20160170370Abstract: A cleaning unit for an image forming apparatus includes a frame; a cleaning blade; a first seal sealing between the frame and the blade, provided by injection molding into the frame adjacent to an axial end; and a second seal between the frame and the drum, provided opposing to the free end portion adjacent to the axial end portion, and the second seal having a L-like configuration with projection extending in a direction crossing with the axial direction outwardly beyond an end surface of the blade, wherein the first seal includes a base portion provided at a position inside of the end surface and extending in the crossing direction and an extension extending from the base portion in the axial direction, the extension having a free end portion compressed by the projection to seal between the projection and the frame.Type: ApplicationFiled: February 19, 2016Publication date: June 16, 2016Inventors: Hiroki Shimizu, Susumu Nittani, Keisuke Nomura, Hideki Kakuta