Patents by Inventor Hiroshi Inukai
Hiroshi Inukai 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: 11421176Abstract: A grease composition includes a base oil, a thickener, and an additive. The base oil contains a synthetic oil. The thickener contains a compound having a urea group. The additive contains a phosphoric compound, a calcium-based compound, and a hydrocarbon-based wax. A hub unit includes the grease composition enclosed therein.Type: GrantFiled: September 28, 2016Date of Patent: August 23, 2022Assignees: JTEKT CORPORATION, KYODO YUSHI CO., LTD.Inventors: Koji Yoshizaki, Hiroshi Inukai, Yoichiro Sankai, Shinji Yamane, Hideo Shibata, Hirofumi Inoue, Ryuji Nakata, Junichi Imai, Yutaka Imai, Ryosuke Saito, Yuta Sato
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Publication number: 20190226535Abstract: A clutch device includes a shaft member, an outer rotor provided on a radially outer side of the shaft member, a clutch module configured to selectively switch between a free state where the shaft member and the outer rotor are allowed to rotate relatively and a lock state where the shaft member and the outer rotor are not allowed to rotate relatively, a coil spring configured to absorb a rotational fluctuation between the shaft member and the outer rotor in the lock state, and a bearing configured to support the shaft member and the outer rotor to rotate relatively is in the free state, and the clutch module is provided on the radially outer side of the shaft member, and the coil spring configured to absorb the rotational fluctuation is provided further radially outwards than the clutch module.Type: ApplicationFiled: May 23, 2017Publication date: July 25, 2019Applicant: JTEKT CORPORATIONInventors: Hiroshi INUKAI, Ikuo YAMAMOTO, Tomoya YAMATANI, Masayo GODA
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Publication number: 20190218474Abstract: A grease composition includes a base oil, a thickener, and an additive. The base oil contains a synthetic oil. The thickener contains a compound having a urea group. The additive contains a phosphoric compound, a calcium-based compound, and a hydrocarbon-based wax. A hub unit includes the grease composition enclosed therein.Type: ApplicationFiled: September 28, 2016Publication date: July 18, 2019Applicants: JTEKT CORPORATION, KYODO YUSHI CO., LTD.Inventors: Koji YOSHIZAKI, Hiroshi INUKAI, Yoichiro SANKAI, Shinji YAMANE, Hideo SHIBATA, Hirofumi INOUE, Ryuji NAKATA, Junichi IMAI, Yutaka IMAI, Ryosuke SAITO, Yuta SATO
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Publication number: 20180298304Abstract: Provided is a grease composition containing a base oil, a thickener, and an additive. The base oil contains a poly-?-olefin and has a kinematic viscosity of 20-60 mm2/s at 40° C. The thickener contains a urea compound produced by reacting a diisocyanate compound with a mixed amine containing an alicyclic amine and an aromatic amine. The additive contains a phosphorous acid ester, an ether compound, and an oxidized paraffin.Type: ApplicationFiled: June 9, 2016Publication date: October 18, 2018Applicants: JTEKT Corporation, JXTG Nippon Oil & Energy CorporationInventors: Koji YOSHIZAKI, Hiroshi INUKAI, Yoichiro SANKAI, Shinji YAMANE, Hideo SHIBATA, Hirofumi INOUE, Ryuji NAKATA, Kazumi SAKAI, Kentaro YAMAGUCHI, Kiyomi SAKAMOTO
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Patent number: 10103383Abstract: Provided are a transition metal mixed hydroxide comprising an alkali metal other than Li, SO4 and a transition metal element, wherein the molar ratio of the molar content of the alkali metal to the molar content of the SO4 is not less than 0.05 and less than 2, and a lithium mixed metal oxide obtained by calcining a mixture of the transition metal mixed hydroxide and a lithium compound by maintaining the mixture at a temperature of 650 to 1000° C.Type: GrantFiled: April 29, 2016Date of Patent: October 16, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenji Takamori, Hiroshi Inukai, Taiga Obayashi
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Patent number: 10026950Abstract: A prismatic secondary battery of one configuration has a current disconnection mechanism, and a distance from a first conductive member to a second conductive member along a surface of a first insulation member and passing an outer periphery of the first insulation member is greater than or equal to 2.4 mm. At least one of the first insulation member and a second insulation member is formed from a material having a weight reduction percentage of 100% in thermo gravimetric measurement under conditions of a measurement temperature of 25° C.-600° C., a temperature increase rate of 5° C.±0.5° C./min, a measurement atmosphere of inert gas flow, and an amount of measurement sample of 10 mg±5 mg.Type: GrantFiled: December 15, 2015Date of Patent: July 17, 2018Assignees: SANYO ELECTRIC CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshinori Yokoyama, Naoya Tada, Yasuhiro Yamauchi, Toshihiro Takada, Hiroshi Inukai, Yasushi Tsuchida, Takashi Tokunaga, Akira Kiyama
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Patent number: 9897151Abstract: A one-way clutch includes an inner ring, an outer ring, a plurality of rollers, an annular cage in which pockets are formed at intervals in a circumferential direction so that the rollers are held in the pockets, and springs attached to cage bars of the cage to bias the rollers. The cage has protruding portions fitted in the inner ring so that the cage is not allowed to rotate with respect to the inner ring. The inner ring has recessed portions each including a cam surface that allows a corresponding one of the engagement elements to be engaged between the cam surface and an inner peripheral surface of the outer ring. Each of the recessed portions further has a fitting surface that is formed as a surface continuous with the cam surface in the recessed portion and on which a corresponding one of the protruding portions is closely fitted.Type: GrantFiled: December 8, 2016Date of Patent: February 20, 2018Assignee: JTEKT CORPORATIONInventors: Hiroshi Inukai, Ikuo Yamamoto
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Patent number: 9899665Abstract: Disclosed is a sodium secondary battery. The sodium secondary battery comprises a first electrode and a second electrode comprising a carbonaceous material. The carbonaceous material satisfies one or more requirements selected from the group consisting of requirements 1, 2, 3 and 4. Requirement 1: R value (=ID/IG) obtained by Raman spectroscopic measurement is 1.07 to 3. Requirement 2: A value and ?A value obtained by small angle X-ray scattering measurement are ?0.5 to 0 and 0 to 0.010, respectively. Requirement 3: for an electrode comprising an electrode mixture obtained by mixing 85 parts by weight of the carbonaceous material with 15 parts by weight of poly(vinylidene fluoride), the carbonaceous material in the electrode after being doped and dedoped with sodium ions is substantially free from pores having a size of not less than 10 nm. Requirement 4: Q1 value obtained by a calorimetric differential thermal analysis is not more than 800 joules/g.Type: GrantFiled: July 29, 2009Date of Patent: February 20, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Taketsugu Yamamoto, Hideaki Nakajima, Hiroshi Inukai, Shigekazu Ohmori, Chikara Murakami, Daisuke Nakaji, Hidekazu Yoshida, Maiko Saka
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Publication number: 20170175827Abstract: A one-way clutch includes an inner ring, an outer ring, a plurality of rollers, an annular cage in which pockets are formed at intervals in a circumferential direction so that the rollers are held in the pockets, and springs attached to cage bars of the cage to bias the rollers. The cage has protruding portions fitted in the inner ring so that the cage is not allowed to rotate with respect to the inner ring. The inner ring has recessed portions each including a cam surface that allows a corresponding one of the engagement elements to be engaged between the cam surface and an inner peripheral surface of the outer ring. Each of the recessed portions further has a fitting surface that is formed as a surface continuous with the cam surface in the recessed portion and on which a corresponding one of the protruding portions is closely fitted.Type: ApplicationFiled: December 8, 2016Publication date: June 22, 2017Applicant: JTEKT CORPORATIONInventors: Hiroshi INUKAI, Ikuo YAMAMOTO
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Publication number: 20160240850Abstract: Provided are a transition metal mixed hydroxide comprising an alkali metal other than Li, SO4 and a transition metal element, wherein the molar ratio of the molar content of the alkali metal to the molar content of the SO4 is not less than 0.05 and less than 2, and a lithium mixed metal oxide obtained by calcining a mixture of the transition metal mixed hydroxide and a lithium compound by maintaining the mixture at a temperature of 650 to 1000° C.Type: ApplicationFiled: April 29, 2016Publication date: August 18, 2016Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenji TAKAMORI, Hiroshi INUKAI, Taiga OBAYASHI
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Patent number: 9397372Abstract: Provided is a sealed battery with improved safety and reliability in which no spark discharge or voltage recovery occurs after a current interrupt mechanism has been actuated. A sealed battery 10 includes a current interrupt mechanism 40: having an inversion plate 50 and a collector 60. The collector 60 and the inversion plate 50 are electrically and mechanically joined in the easily breakable section 61 and the inversion section 51, the easily breakable section 61 is broken and displaced together with the inversion section 51 by the displacement of the inversion section 51, and the electric connection of the collector 60 and the inversion plate 50 is interrupted. The distance between the collector 60 and the easily breakable section 61 after the displacement is within a range of 0.3 mm to 1.5 mm.Type: GrantFiled: January 25, 2013Date of Patent: July 19, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Sanyo Electric Co., Ltd.Inventors: Takuichi Arai, Toshihiro Takada, Hiroshi Inukai, Hironori Harada, Akira Kiyama, Ryuta Morishima, Naoya Nakanishi, Yasuhiro Yamauchi, Yoshinori Yokoyama
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Publication number: 20160181589Abstract: A prismatic secondary battery of one configuration has a current disconnection mechanism, and a distance from a first conductive member to a second conductive member along a surface of a first insulation member and passing an outer periphery of the first insulation member is greater than or equal to 2.4 mm. At least one of the first insulation member and a second insulation member is formed from a material having a weight reduction percentage of 100% in thermo gravimetric measurement under conditions of a measurement temperature of 25° C.-600° C., a temperature increase rate of 5° C.±0.5° C./min, a measurement atmosphere of inert gas flow, and an amount of measurement sample of 10 mg±5 mg.Type: ApplicationFiled: December 15, 2015Publication date: June 23, 2016Inventors: Yoshinori YOKOYAMA, Naoya TADA, Yasuhiro YAMAUCHI, Toshihiro TAKADA, Hiroshi INUKAI, Yasushi TSUCHIDA, Takashi TOKUNAGA, Akira KIYAMA
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Patent number: 9356288Abstract: Provided are a transition metal mixed hydroxide comprising an alkali metal other than Li, SO4 and a transition metal element, wherein the molar ratio of the molar content of the alkali metal to the molar content of the SO4 is not less than 0.05 and less than 2, and a lithium mixed metal oxide obtained by calcining a mixture of the transition metal mixed hydroxide and a lithium compound by maintaining the mixture at a temperature of 650 to 1000° C.Type: GrantFiled: June 9, 2011Date of Patent: May 31, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenji Takamori, Hiroshi Inukai, Taiga Obayashi
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Patent number: 9240593Abstract: There is provided a method for producing an active material for a nonaqueous secondary battery, including firing an adherend in which a compound containing an element A (at least one element selected from among B, Al, Ga, In, Si, Ge, Sn, Mg and transition metal elements) is adhered to a particle surface of a material capable of being doped and dedoped with lithium ions, in a water-containing atmosphere so that weight increasing rate of the adherend is in a range of 0.1% by weight or more and 5.0% by weight or less, and firing the adherend.Type: GrantFiled: April 21, 2006Date of Patent: January 19, 2016Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Reiko Sasaki, Akiyoshi Nemoto, Kenji Nakane, Yuichiro Imanari, Kensaku Horie, Hiroshi Inukai
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Patent number: 9196895Abstract: Provided is a sealed secondary battery having a current interrupt mechanism with a high heat resistance that prevents fusion of the current collecting plate by the Joule heat generated during high-rate charge and discharged. A current interrupt mechanism 80 of a sealed secondary battery 10 provided in accordance with the present invention is configured such that when the internal pressure inside a battery case 12 rises above the predetermined level, a current interrupt valve 30 is deformed by the internal pressure in a direction of separating from a rectangular plate-shaped current collecting plate 72 and the current collecting plate breaks in the portion of an annular groove 79 of a central thin section 74 of the current collecting plate.Type: GrantFiled: January 25, 2013Date of Patent: November 24, 2015Assignees: Toyota Jidosha Kabushiki Kaisha, Sanyo Electric Co., Ltd.Inventors: Hironori Harada, Hiroshi Inukai, Toshihiro Takada, Yasuhiro Yamauchi, Yoshinori Yokoyama
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Patent number: 9178247Abstract: The present invention provides a lithium composite metal oxide containing Li and at least one transition metal element, wherein at least one lithium composite metal oxide particle constituting the lithium composite metal oxide has both hexagonal and monoclinic crystal structures. Further, the present invention also provides a lithium composite metal oxide containing Li, Ni and M (where, M represents one or more kinds of transition metal elements selected from the group consisting of Mn, Co and Fe), having a diffraction peak (diffraction peak A) at an angle 2? in a range from 20° to 23° in a powder X-ray diffraction pattern of a lithium composite metal oxide which is obtained by powder X-ray diffraction measurement made in the condition that CuK? is used as a radiation source and the measurement range of diffraction angle 2? is in a range from 10° to 90°.Type: GrantFiled: September 6, 2007Date of Patent: November 3, 2015Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yuichiro Imanari, Yoshihiro Kawakami, Yoshiaki Honda, Hiroshi Inukai
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Publication number: 20150171409Abstract: A sealed battery includes a battery case, an external terminal, a collector terminal, a protruding member, and a pressure type current interrupting mechanism. The pressure type current interrupting mechanism electrically disconnects the external terminal from the collector terminal by an inverted plate deforming according to an increase in pressure inside the battery case. The protruding member has a through-hole that is communicated with a hollow portion of the external terminal. When the pressure type current interrupting mechanism is activated, the protruding member pierces the inverted plate, such that the hollow portion of the external terminal is communicated with the inside of the battery case further inside the battery case than the collector terminal of the battery case, via the through-hole of the protruding member.Type: ApplicationFiled: July 16, 2013Publication date: June 18, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akira Kiyama, Toshihiro Takada, Hiroshi Inukai, Hironori Harada, Yasushi Tsuchida
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Patent number: 8980468Abstract: A current interruption mechanism for prismatic secondary battery includes a tubular conductive member electrically connected to a positive electrode external terminal, an inversion plate, and a positive electrode collector connected to the inversion plate. The positive electrode collector has a first region that is parallel to a sealing body and a second region that is connected to a positive electrode plate. The boundaries between the first and second regions are disposed further outward than the inner surface of the tubular conductive member, and at least one of the edge portions, other than the boundaries between the first region and second region, is located further outward than the inner surface of the tubular portion of the conductive member. The current interruption mechanism is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc.Type: GrantFiled: January 25, 2013Date of Patent: March 17, 2015Assignees: SANYO Electric Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Yoshinori Yokoyama, Takayuki Hattori, Yasuhiro Yamauchi, Toshiyuki Nohma, Hironori Harada, Toshihiro Takada, Hiroshi Inukai
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Patent number: 8980469Abstract: A high-reliability prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock is provided. The prismatic secondary battery includes a second insulating member having a first through-hole, the second insulating member being arranged between a first region of a positive electrode collector and an inversion plate. The first region of the positive electrode collector and the inversion plate are electrically connected to each other through the first through-hole. The second insulating member has a plurality of fixing pawl portions. The fixing pawl portions are hooked and fixed to a fixing portion formed on the outer surface side of the conductive member.Type: GrantFiled: January 25, 2013Date of Patent: March 17, 2015Assignees: SANYO Electric Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Eiji Okutani, Yoshinori Yokoyama, Yasuhiro Yamauchi, Toshiyuki Nohma, Hironori Harada, Toshihiro Takada, Hiroshi Inukai, Akira Kiyama, Ryuta Morishima
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Patent number: 8906545Abstract: A crimped portion of a positive electrode external terminal is crimped on its upper end side to be electrically connected to a positive electrode terminal plate. This crimped portion is welded to the positive electrode terminal plate by applying high energy beams. The negative electrode side has a configuration similar to that of the positive electrode side. The contact area between the positive electrode terminal plate and the crimped portion of the positive electrode external terminal is set smaller than the corresponding contact area on the negative electrode side, and the volume of the crimped portion of the positive electrode external terminal is set larger than that of the corresponding crimped portion on the negative electrode side. Thus, a prismatic secondary battery is provided that shows strong joining strength between the external terminal and the terminal plate, suppressed internal resistance variations, and improved reliability.Type: GrantFiled: January 25, 2013Date of Patent: December 9, 2014Assignees: SANYO Electric Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Takayuki Hattori, Eiji Okutani, Yoshiya Maruyama, Yasuhiro Yamauchi, Hironori Harada, Toshihiro Takada, Hiroshi Inukai