Patents by Inventor Shigeo Shinohara
Shigeo Shinohara 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: 20240253693Abstract: An electric power steering device includes an assist pinion shaft, a worm wheel attached to an end part on the Z2 side of the assist pinion shaft, a worm shaft that has shaft teeth meshing with wheel teeth, and a casing that houses the worm shaft and the worm wheel. Among a plurality of parts of the wheel teeth, a first part is a part that meshes with the shaft teeth, and a second part is a part located on the opposite side of the first part with a central axis interposed therebetween. The first distance from an end surface on the Z1 side of the first part to a tip end of a casing end part is greater than the second distance from an end surface on the Z1 side of the second part to a tip end of the casing end part.Type: ApplicationFiled: August 31, 2021Publication date: August 1, 2024Applicant: NSK LTD.Inventor: Shigeo SHINOHARA
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Publication number: 20230249740Abstract: A motor supporting structure for a steering device includes a motor one end of which has an output shaft extending along the axial direction of the rack bar, a motor peripheral part that is disposed on the other end of the motor, and a first fastener that includes a first bolt and that fastens the motor and the motor peripheral part in the axial direction. The rack housing includes a first support that supports one end of the power generator unit and a second support that supports the other end of the power generator unit. The second support has a tip portion connected to the other end of the power generator unit. The tip portion of the second support has a first hole through which the shaft of the first bolt passes, and is fastened by a first fastener, together with the motor and the motor peripheral part.Type: ApplicationFiled: September 15, 2021Publication date: August 10, 2023Applicant: NSK LTD.Inventors: Shigeo SHINOHARA, Daigoh FUJII
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Patent number: 10966983Abstract: The present invention provides an externally applied composition capable of enhancing a stimulatory effect of an essential oil on IGF-1 secretion, the composition including (A) essential oil; and (B) at least one member selected from the group consisting of purine substances and salts thereof. Further, the present invention provides an externally applied composition capable of increasing the stratum corneum water content of the skin and maintaining transepidermal water loss at an appropriate level.Type: GrantFiled: April 22, 2009Date of Patent: April 6, 2021Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Akihiro Aoki, Kosaburo Wakamatsu, Shigeo Shinohara, Osamu Takasu
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Patent number: 10093352Abstract: A motor controller, an electric power steering device using the motor controller, and a vehicle using the motor controller are provided. The motor controller includes plural hardware sets configured to operate in a normal state and to output a motor current, a control operation device configured to control the plurality of hardware sets commonly, an electric motor configured to operate with motor current output from each of the plurality of hardware sets, and an abnormality diagnosis unit configured to diagnose an abnormality of each of the plurality of hardware sets. In the control device, when there is an abnormal hardware set that has been diagnosed by the abnormality diagnosis unit, the control operation device stops an operation of the abnormal hardware set that has been diagnosed, and continues driving of the electric motor with a normal hardware set.Type: GrantFiled: December 13, 2013Date of Patent: October 9, 2018Assignee: NSK LTD.Inventors: Kenji Mori, Kotaro Tagami, Hiroki Sugawara, Shigeo Shinohara, Takaaki Sekine, Takeshi Senba, Shuji Endo
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Patent number: 9771099Abstract: A motor controller includes: a main motor drive circuit configured to control driving of a multi-phase electric motor; a backup motor drive circuit configured to control driving of the multi-phase electric motor, when an abnormality occurs at the main motor drive circuit; and an abnormality diagnosis unit configured to diagnose the abnormality of the main and backup motor drive circuits. In a normal drive state, only the main motor drive circuit is configured to drive the multi-phase electric motor, and in a backup drive state, when the abnormality diagnosis unit diagnoses that the abnormality occurs at the main motor drive circuit as a diagnoses result, a motor current of a phase output unit where the abnormality occurs is cut off, and the phase output unit that has been cut off is replaced with another phase output unit of a same phase in the backup motor drive circuit.Type: GrantFiled: February 26, 2015Date of Patent: September 26, 2017Assignee: NSK Ltd.Inventors: Kenji Mori, Takeshi Senba, Shigeo Shinohara
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Patent number: 9634587Abstract: A motor control apparatus includes a motor current shutoff unit inserted between a multi-phase inverter circuit and a multi-phase electric motor to shut off a current for each of plural phases, the inverter circuit including an arm for each of the plural phases, a redundant arm unit including one or more arms, a connection selecting unit selecting which one of windings of the electric motor is to be connected to each of the one or more arms of the redundant arm unit, an abnormal arm detection unit detecting an abnormality in each of the plural phases of the inverter circuit, and an abnormality control unit shutting off connection between an abnormal arm and the motor when the abnormal arm detection unit detects the abnormal arm, and connecting the one or more arms of the redundant arm unit to a winding of the motor shut off.Type: GrantFiled: December 13, 2013Date of Patent: April 25, 2017Assignee: NSK Ltd.Inventors: Yusuke Kikuchi, Atsushi Horikoshi, Satoshi Ozaki, Yoshihiro Aosaki, Takeshi Senba, Hisayoshi Koiwai, Shigeo Shinohara, Kenji Mori, Masahiro Okutani, Takaaki Sekine
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Publication number: 20160339949Abstract: A motor controller includes: a main motor drive circuit configured to control driving of a multi-phase electric motor; a backup motor drive circuit configured to control driving of the multi-phase electric motor, when an abnormality occurs at the main motor drive circuit; and an abnormality diagnosis unit configured to diagnose the abnormality of the main and backup motor drive circuits. In a normal drive state, only the main motor drive circuit is configured to drive the multi-phase electric motor, and in a backup drive state, when the abnormality diagnosis unit diagnoses that the abnormality occurs at the main motor drive circuit as a diagnoses result, a motor current of a phase output unit where the abnormality occurs is cut off, and the phase output unit that has been cut off is replaced with another phase output unit of a same phase in the backup motor drive circuit.Type: ApplicationFiled: February 26, 2015Publication date: November 24, 2016Inventors: Kenji MORI, Takeshi SENBA, Shigeo SHINOHARA
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Publication number: 20160200355Abstract: A motor controller, an electric power steering device using the motor controller, and a vehicle using the motor controller are provided. The motor controller includes plural hardware sets configured to operate in a normal state and to output a motor current, a control operation device configured to control the plurality of hardware sets commonly, an electric motor configured to operate with motor current output from each of the plurality of hardware sets, and an abnormality diagnosis unit configured to diagnose an abnormality of each of the plurality of hardware sets. In the control device, when there is an abnormal hardware set that has been diagnosed by the abnormality diagnosis unit, the control operation device stops an operation of the abnormal hardware set that has been diagnosed, and continues driving of the electric motor with a normal hardware set.Type: ApplicationFiled: December 13, 2013Publication date: July 14, 2016Inventors: Kenji MORI, Kotaro TAGAMI, Hiroki SUGAWARA, Shigeo SHINOHARA, Takaaki SEKINE, Takeshi SENBA, Shuji ENDO
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Publication number: 20160134212Abstract: A motor control apparatus includes a motor current shutoff unit inserted between a multi-phase inverter circuit and a multi-phase electric motor to shut off a current for each of plural phases, the inverter circuit including an arm for each of the plural phases, a redundant arm unit including one or more arms, a connection selecting unit selecting which one of windings of the electric motor is to be connected to each of the one or more arms of the redundant arm unit, an abnormal arm detection unit detecting an abnormality in each of the plural phases of the inverter circuit, and an abnormality control unit shutting off connection between an abnormal arm and the motor when the abnormal arm detection unit detects the abnormal arm, and connecting the one or more arms of the redundant arm unit to a winding of the motor shut off.Type: ApplicationFiled: December 13, 2013Publication date: May 12, 2016Inventors: Yusuke Kikuchi, Atsushi Horikoshi, Satoshi Ozaki, Yoshihiro Aosaki, Takeshi Senba, Hisayoshi Koiwai, Shigeo Shinohara, Kenji Mori, Masahiro Okutani, Takaaki Sekine
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Patent number: 9238476Abstract: Construction is achieved in which a steering column 4b and a support bracket 17b are able to smoothly displace in the forward direction during a secondary collision. Spring-side locking sections 40 of a bias spring 32a engage with locking tabs 41 of the support bracket 17b in a state so as to press downward on the locking tabs 41. A pressure section 35a of the bias spring 32a engages with a receiving surface of the steering column 4b in a state so as to cause an upward pressure force to act on the steering column 4b.Type: GrantFiled: January 20, 2014Date of Patent: January 19, 2016Assignee: NSK Ltd.Inventors: Tasuku Oishi, Shigeo Shinohara, Tetsuo Arakawa
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Patent number: 9125928Abstract: An object of the present invention is to provide an agent for suppressing the formation of skin cells induced by exposure to light such as ultraviolet light. The object is achieved by using a purine nucleic acid for suppressing the formation of abnormal skin cells caused by exposure to light.Type: GrantFiled: June 24, 2011Date of Patent: September 8, 2015Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Mitsuaki Kawamura, Shigeo Shinohara, Fumiki Harano, Akihiro Aoki, Eri Ueno
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Patent number: 9084904Abstract: A composition for external use capable of more efficiently deriving the effect of purine substances (and/or salts thereof) including (A) sugar; and (B) at least one member selected from the group consisting of purine substances and salts thereof.Type: GrantFiled: January 8, 2009Date of Patent: July 21, 2015Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Kosaburo Wakamatsu, Shigeo Shinohara, Masahiko Tanaka, Fumiki Harano, Akihiro Aoki, Osamu Takasu
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Publication number: 20150069746Abstract: Construction is achieved in which a steering column 4b and a support bracket 17b are able to smoothly displace in the forward direction during a secondary collision. Spring-side locking sections 40 of a bias spring 32a engage with locking tabs 41 of the support bracket 17b in a state so as to press downward on the locking tabs 41. A pressure section 35a of the bias spring 32a engages with a receiving surface of the steering column 4b in a state so as to cause an upward pressure force to act on the steering column 4b.Type: ApplicationFiled: January 20, 2014Publication date: March 12, 2015Inventors: Tasuku Oishi, Shigeo Shinohara, Tetsuo Arakawa
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Patent number: 8492353Abstract: The present invention provides an antiaging composition capable of efficiently retarding skin aging skin aging, particularly, alleviating skin pigmentation. The present invention also provides a method for potentiating the antiaging action of ascorbic acids. The invention provides an antiaging composition containing at least one member selected from the group consisting of ascorbic acid, a derivative of ascorbic acid, and a salt thereof (A), and a purine nucleic acid-related substance (B). The invention provides a method for potentiating the antiaging action of such component (A) by the combined use of at least one member selected from the group consisting of ascorbic acid, a derivative of ascorbic acid, and a salt thereof (A), with a purine nucleic acid-related substance (B).Type: GrantFiled: August 1, 2003Date of Patent: July 23, 2013Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Kosaburo Wakamatsu, Fumiki Harano, Takashige Koba, Shigeo Shinohara
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Publication number: 20130090301Abstract: An object of the present invention is to provide an agent for suppressing the formation of skin cells induced by exposure to light such as ultraviolet light. The object is achieved by using a purine nucleic acid for suppressing the formation of abnormal skin cells caused by exposure to light.Type: ApplicationFiled: June 24, 2011Publication date: April 11, 2013Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Mitsuaki Kawamura, Shigeo Shinohara, Fumiki Harano, Akihiro Aoki, Eri Ueno
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Patent number: 8409594Abstract: The present invention aims to provide solid compositions comprising an oil-in-water emulsion that have sufficient hardness and good feel when used, and can sufficiently exhibit the physiological functions of an electrolyte. A solid composition is obtained by preparing an oil-in-water emulsion by combining a solid oil (A), a liquid oil (B), a surfactant (C), a polyhydric alcohol (D), an electrolyte (E), and water (F).Type: GrantFiled: December 27, 2005Date of Patent: April 2, 2013Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Shigeo Shinohara, Fumiki Harano, Shinji Tsujimoto, Isamu Saeki
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Patent number: 8102138Abstract: A motor control apparatus includes a steering column having inserted therein a steering shaft to which steering torque is transmitted, a reduction gear box coupled to the steering shaft, and an electric motor that transmits a steering assisting force to the steering shaft via a reduction mechanism in the reduction gear box. The electric motor and its control unit including a control board mounted with a control circuit, are provided side by side in the reduction gear box. A connection terminal of the electric motor is electrically connected to the control unit directly. This minimizes a connection distance between the control unit and the electric motor.Type: GrantFiled: April 11, 2007Date of Patent: January 24, 2012Assignee: NSK Ltd.Inventors: Takaaki Sekine, Atsushi Ooshima, Tetsuya Kodama, Seiichi Kobayashi, Yasuhiro Shimizu, Naoki Hyoudou, Shigeru Endo, Atsushi Horikoshi, Keiji Kashimoto, Tamotsu Oumi, Hideaki Kawada, Shigeo Shinohara, Takeshi Senba, Mitsuo Shimoda
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Patent number: 7994153Abstract: The present invention provides a composition that can effectively improve melasma and a composition that can effectively reduce skin dullness. The composition for improving melasma comprises a purine nucleic acid-related substance and a pharmaceutically or cosmetically acceptable carrier, and exhibits an excellent melasma improving effect due to the action of the purine nucleic acid-related substance contained. The composition for reducing skin dullness comprises a purine nucleic acid-related substance and a pharmaceutically or cosmetically acceptable carrier, and exhibits an excellent effect of reducing skin dullness due to the action of the purine nucleic acid-related substance contained.Type: GrantFiled: May 19, 2003Date of Patent: August 9, 2011Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hideo Tanaka, Masahiko Tanaka, Yasuo Furuta, Kosaburo Wakamatsu, Junko Kamimura, Fumiki Harano, Mitsuaki Kawamura, Shigekatsu Kawabata, Shigeo Shinohara, Noboru Yoshino
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Publication number: 20110081429Abstract: The present invention provides an externally applied composition capable of enhancing a stimulatory effect of an essential oil on IGF-1 secretion, the composition including (A) essential oil; and (B) at least one member selected from the group consisting of purine substances and salts thereof. Further, the present invention provides an externally applied composition capable of increasing the stratum corneum water content of the skin and maintaining transepidermal water loss at an appropriate level.Type: ApplicationFiled: April 22, 2009Publication date: April 7, 2011Inventors: Akihiro Aoki, Kosaburo Wakamatsu, Shigeo Shinohara, Osamu Takasu
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Patent number: 7886865Abstract: To provide an electric power steering apparatus in which it is possible to reduce a size of the entire structure of a control unit while sufficiently showing a heat radiation effect of heat generating members. The electric power steering apparatus includes a steering column 3 having inserted therein a steering shaft 2 to which steering torque is transmitted, a reduction gear box 4 coupled to the steering shaft 2, and an electric motor 5 that transmits a steering assisting force to the steering shaft 2 via a reduction mechanism in the reduction gear box. In the reduction gear box 4, a motor mounting section 17 for mounting the electric motor 5 is formed at an end face in a direction perpendicular to an axis of the steering shaft 2 and a control-unit mounting section 20 for mounting a control unit 19 for controlling to drive the electric motor 5 is formed near the motor mounting section 17.Type: GrantFiled: April 11, 2007Date of Patent: February 15, 2011Assignee: NSK Ltd.Inventors: Takaaki Sekine, Atsushi Ooshima, Tetsuya Kodama, Seiichi Kobayashi, Keiji Kashimoto, Hideaki Kawada, Shigeo Shinohara, Takeshi Senba