Patents by Inventor Takahiro Sugioka
Takahiro Sugioka 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).
-
Publication number: 20240123776Abstract: A tire assembly includes a tire for mounting on a vehicle, an elastic body disposed on an inner side of the tire, and a power generation body disposed between an inner surface of the tire and the elastic body. The power generation body includes a first member and a second member. The first member has a first insulating film forming a first surface. The second member has a second insulating film forming a second surface that faces the first surface and contacts the first surface. The elastic body biases the power generation body toward the inner surface of the tire.Type: ApplicationFiled: October 6, 2021Publication date: April 18, 2024Applicants: Sumitomo Rubber Industries, Ltd., The School Corporation Kansai UniversityInventors: Mutsuki SUGIMOTO, Hiroshi TANI, Kenichi KURODA, Takahiro FUJIWARA, Kyota SUGIOKA
-
Publication number: 20230307791Abstract: A power storage device includes a positive electrode including a positive electrode active material layer formed on a first surface of a positive current collector, a negative electrode including a negative electrode active material layer formed on a first surface of a negative current collector, a separator interposed between the positive electrode active material layer and the negative electrode active material layer, and a sealing portion. One of the positive current collector and the negative current collector is made of aluminum foil having a thickness of 1 to 50 ?m. The other is made of aluminum foil having a thickness of 1 to 50 ?m, or copper foil having a thickness of 1 to 25 ?m. The sealing portion is made of thermoplastic polyolefin-based resin having a peak top temperature of 135° C. or less.Type: ApplicationFiled: July 26, 2021Publication date: September 28, 2023Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tatsuya KINUGAWA, Takahiro SUGIOKA, Yusuke SUGIYAMA, Tomoya YAMAJI
-
Patent number: 11118014Abstract: A polymer compound includes a first chain structure constituted by a polyamideimide and a second chain structure constituted by a vinyl polymer and bonded to terminals of the first chain structures and connecting the first chain structures together. The vinyl polymer constituting the second chain structure is a random copolymer including a bond-constituting unit having a side chain to be bonded to the first chain structure, and a non-bond-constituting unit having no side chain to be bonded to the first chain structure.Type: GrantFiled: August 29, 2017Date of Patent: September 14, 2021Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yusuke Sugiyama, Takeshi Kondo, Takahiro Sugioka, Kohei Mase, Keigo Oyaizu
-
Publication number: 20190315924Abstract: A polymer compound includes a first chain structure constituted by a polyamideimide and a second chain structure constituted by a vinyl polymer and bonded to terminals of the first chain structures and connecting the first chain structures together. The vinyl polymer constituting the second chain structure is a random copolymer including a bond-constituting unit having a side chain to be bonded to the first chain structure, and a non-bond-constituting unit having no side chain to be bonded to the first chain structure.Type: ApplicationFiled: August 29, 2017Publication date: October 17, 2019Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yusuke SUGIYAMA, Takeshi KONDO, Takahiro SUGIOKA, Kohei MASE, Keigo OYAIZU
-
Patent number: 10446838Abstract: Cycle characteristics of a nonaqueous secondary battery are to be improved. An active material including: a first active material that contains a nano silicon produced by heating a layered polysilane represented by a composition formula (SiH)n and having a structure in which multiple six-membered rings formed from silicon atoms are connected; and a second active material that contains a graphite, is used in a negative electrode. With this, expansion and contraction due to stress during charging and discharging can be mitigated, and thereby cycle characteristics improve.Type: GrantFiled: August 27, 2014Date of Patent: October 15, 2019Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takeshi Kondo, Yusuke Sugiyama, Takashi Mohri, Hiroki Oshima, Tomohiro Niimi, Mutsumi Takahashi, Nobuhiro Goda, Takahiro Sugioka, Yuta Kawamoto
-
Patent number: 9716267Abstract: A parameter for producing a positive electrode having excellent safety, and a positive electrode active material layer satisfying the parameter. The positive electrode active material layer includes a first positive electrode active material, a second positive electrode active material having a lower charge/discharge potential than the first positive electrode active material, and an additive. When the first positive electrode active material tap density is defined as dt1, the second positive electrode active material tap density is defined as dt2, a true density of the additive is defined as d3, a mass percentage of the first positive electrode active material is defined as Wt1, a mass percentage of the second positive electrode active material is defined as Wt2, a mass percentage of the additive is defined as Wt3, and a porosity of the positive electrode active material layer is defined as p, the positive electrode active material layer satisfies (1?p)×(Wt1/dt1)/((Wt1/dt1)+(Wt2/dt2)+(Wt3/d3))<0.38.Type: GrantFiled: December 26, 2014Date of Patent: July 25, 2017Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tatsuya Eguchi, Takeshi Maki, Manabu Miyoshi, Yuuhi Sato, Jun Kaneda, Yusuke Yamamoto, Takahiro Sugioka
-
Publication number: 20170018764Abstract: A parameter for producing a positive electrode having excellent safety, and a positive electrode active material layer satisfying the parameter. The positive electrode active material layer includes a first positive electrode active material, a second positive electrode active material having a lower charge/discharge potential than the first positive electrode active material, and an additive. When the first positive electrode active material tap density is defined as dt1, the second positive electrode active material tap density is defined as dt2, a true density of the additive is defined as d3, a mass percentage of the first positive electrode active material is defined as Wt1, a mass percentage of the second positive electrode active material is defined as Wt2, a mass percentage of the additive is defined as Wt3, and a porosity of the positive electrode active material layer is defined as p, the positive electrode active material layer satisfies (1?p)×(Wt1/dt1)/((Wt1/dt1)+(Wt2/dt2)+(Wt3/d3))<0.38.Type: ApplicationFiled: December 26, 2014Publication date: January 19, 2017Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tatsuya EGUCHI, Takeshi MAKI, Manabu MIYOSHI, Yuuhi SATO, Jun KANEDA, Yusuke YAMAMOTO, Takahiro SUGIOKA
-
Publication number: 20170012282Abstract: Cycle characteristics of a nonaqueous secondary battery are to be improved. An active material including: a first active material that contains a nano silicon produced by heating a layered polysilane represented by a composition formula (SiH)n and having a structure in which multiple six-membered rings formed from silicon atoms are connected; and a second active material that contains a graphite, is used in a negative electrode. With this, expansion and contraction due to stress during charging and discharging can be mitigated, and thereby cycle characteristics improve.Type: ApplicationFiled: August 27, 2014Publication date: January 12, 2017Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takeshi KONDO, Yusuke SUGIYAMA, Takashi MOHRI, Hiroki OSHIMA, Tomohiro NIIMI, Mutsumi TAKAHASHI, Nobuhiro GODA, Takahiro SUGIOKA, Yuta KAWAMOTO
-
Patent number: 9221394Abstract: A lighting device for a vehicle is provided to a vehicular door trim to illuminate a handle housing portion in which an inside handle is housed. The lighting device includes a light exit member, a light exit member mount member provided on an upper side of the inside handle and on which the light exit member is arranged, and a light transmission portion provided to the light exit member mount member and through which light from the light exit member is directed to the handle housing portion. The light exit member is arranged on a vehicular compartment inner side than the light transmission portion.Type: GrantFiled: September 4, 2012Date of Patent: December 29, 2015Assignees: TOYOTA BOSHOKU KABUSHIKI KAISHA, TOYOTA SHATAI KABUSHIKI KAISHAInventors: Yasuhiro Ukai, Hiroyasu Tahara, Takahiro Sugioka, Ryuuji Fukui
-
Patent number: 8926150Abstract: A lighting device includes a light source, an elongated panel member, an elongated light guide member provided to the panel member, a first light transmission portion provided in the panel member and through which the light from the light guide member transmits toward the first portion to be illuminated, and a second light transmission portion provided in the panel member to be farther away from the light source than the first light transmission portion and through which the light from the light guide member transmits toward the second portion to be illuminated, the second light transmission portion and the second portion extending along a longitudinal direction of the light exit portion. The light guide member and the second portion are provided to be closer to each other as they are farther away from the light source.Type: GrantFiled: September 4, 2012Date of Patent: January 6, 2015Assignees: Toyota Boshoku Kabushiki Kaisha, Toyota Shatai Kabushiki KaishaInventors: Yasuhiro Ukai, Hiroyasu Tahara, Takahiro Sugioka, Ryuuji Fukui
-
Patent number: 8870422Abstract: A lighting device includes a light source, an elongated panel member, an elongated light guide member provided to the panel member, a first light transmission portion provided in the panel member and through which the light from the light guide member transmits toward the first portion to be illuminated, and a second light transmission portion provided in the panel member to be farther away from the light source than the first light transmission portion and through which the light from the light guide member transmits toward the second portion to be illuminated, the second light transmission portion and the second portion extending along a longitudinal direction of the light exit portion. The light guide member and the second portion are provided to be closer to each other as they are farther away from the light source.Type: GrantFiled: September 4, 2012Date of Patent: October 28, 2014Assignees: Toyota Boshoku Kabushiki Kaisha, Toyota Shatai Kabushiki KaishaInventors: Yasuhiro Ukai, Hiroyasu Tahara, Takahiro Sugioka, Ryuuji Fukui
-
Patent number: 8822395Abstract: The present invention provides a refrigerating machine oil composition for use in a compressor for a refrigerator in which a sliding surface of at least a part of constitutional members of the compressor is coated with a lubrication film-forming composition containing a resin having a heat distortion temperature of 100° C. or higher as a binder, and a solid lubricant, wherein the refrigerating machine oil composition contains a base oil made of a polyoxyalkylene glycol having a kinematic viscosity of from 3 to 50 mm2/s as measured at 100° C., and a compound selected from the group consisting of amide compounds, amidated amino acid compounds and aliphatic amines having a specific structural formula which compound is contained in an amount of from 0.Type: GrantFiled: April 27, 2006Date of Patent: September 2, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Harutomo Ikeda, Takayuki Kato, Manabu Sugiura, Masami Ohno, Shuichi Yasuda, Takahiro Sugioka
-
Publication number: 20130242581Abstract: A lighting device for a vehicle is provided to a vehicular door trim to illuminate a handle housing portion in which an inside handle is housed. The lighting device includes a light exit member, a light exit member mount member provided on an upper side of the inside handle and on which the light exit member is arranged, and a light transmission portion provided to the light exit member mount member and through which light from the light exit member is directed to the handle housing portion. The light exit member is arranged on a vehicular compartment inner side than the light transmission portion.Type: ApplicationFiled: September 4, 2012Publication date: September 19, 2013Applicants: TOYOTA SHATAI KABUSHIKI KAISHA, TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Yasuhiro Ukai, Hiroyasu Tahara, Takahiro Sugioka, Ryuuji Fukui
-
Publication number: 20130235604Abstract: A lighting device includes a light source, an elongated panel member, an elongated light guide member provided to the panel member, a first light transmission portion provided in the panel member and through which the light from the light guide member transmits toward the first portion to be illuminated, and a second light transmission portion provided in the panel member to be farther away from the light source than the first light transmission portion and through which the light from the light guide member transmits toward the second portion to be illuminated, the second light transmission portion and the second portion extending along a longitudinal direction of the light exit portion. The light guide member and the second portion are provided to be closer to each other as they are farther away from the light source.Type: ApplicationFiled: September 4, 2012Publication date: September 12, 2013Applicants: TOYOTA SHATAI KABUSHIKI KAISHA, TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Yasuhiro Ukai, Hiroyasu Tahara, Takahiro Sugioka, Ryuuji Fukui
-
Patent number: 8277952Abstract: A sliding member for a compressor includes a base metal, a first layer and a second layer. The base metal is made of an aluminum-based metal. The first layer is formed on or over the base metal and made of a nickel-based plating layer containing at least one material of nitrogen (N), silicon (Si), titanium (Ti), chromium (Cr) and aluminum (Al) as an additive. The second layer is formed on the surface of the first layer and made of a diamond-like carbon layer containing the same additive as the additive contained in the first layer.Type: GrantFiled: December 18, 2009Date of Patent: October 2, 2012Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Takahiro Sugioka, Takayuki Kato, Atsushi Saito, Shino Okubo, Hiroaki Sato, Taichi Nakamizo
-
Publication number: 20120057999Abstract: The motor-driven compressor includes a housing, a compression mechanism, a rotary shaft and an electric motor all disposed in the housing, a protective film and a fixing resin. The electric motor is adapted to rotate the rotary shaft thereby to drive the compression mechanism. The electric motor has a rotor fixed on the rotary shaft and a stator supported by the housing. The rotor has a permanent magnet and a magnet hole in which the permanent magnet is inserted. The magnet hole extends in an axial direction of the rotor. The protective film is formed on a surface of the permanent magnet for improving corrosion resistance of the permanent magnet. The fixing resin is filled in at least part of a gap between the permanent magnet and a wall of the magnet hole for fixing the permanent magnet to the wall of the magnet hole.Type: ApplicationFiled: August 31, 2011Publication date: March 8, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Hiroshi Fukasaku, Minoru Mera, Kensuke Ikai, Takayuki Kato, Takahiro Sugioka, Takahiro Hoshida
-
Patent number: 8097569Abstract: A compressor includes a swash plate, and a shoe connected to an outer periphery of the swash plate. A surface of the swash plate slides upon a flat surface of the shoe. A sliding film is applied to the surface of the swash plate. The sliding film is formed of binder resin which contains a solid lubricant and titanium oxide powder. This allows the surface of the swash plate and the flat surface of the shoe to smoothly slide upon each other.Type: GrantFiled: April 13, 2004Date of Patent: January 17, 2012Assignees: Kabushiki Kaisha Toyota Jidoshokki, Dow Corning Toray Co., Ltd.Inventors: Akio Saiki, Noriyuki Shintoku, Noriaki Baba, Toshihisa Shimo, Hitotoshi Murase, Tetsuji Yamaguchi, Jiro Yamashita, Takahiro Sugioka
-
Publication number: 20110056370Abstract: The variable displacement swash plate compressor includes a housing, a drive shaft, a swash plate, a piston, a bleed passage, a supply passage and a low-melting member. The housing has a cylinder bore, a suction chamber, a discharge chamber and a crank chamber. The swash plate is supported in the crank chamber by the drive shaft and inclination angle of the swash plate is adjustable. The piston is reciprocally movably received in the cylinder bore. The bleed passage is formed in the housing in communication with the crank chamber and the suction chamber. The supply passage is formed in the housing in communication with the discharge chamber and the crank chamber. The low-melting member is disposed in the bleed passage so as to restrict fluid flow therethrough and has a lower melting point than the housing. When the low-melting member is melted, an opening of the bleed passage is increased.Type: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Masakazu Murase, Masahiro Kawaguchi, Masaki Ota, Motoaki Okuda, Hiroshi Kubo, Yuki Morikage, Masaki Inoue, Takayuki Kato, Takahiro Sugioka, Shino Okubo
-
Publication number: 20100159271Abstract: A sliding member for a compressor includes a base metal, a first layer and a second layer. The base metal is made of an aluminum-based metal. The first layer is formed on or over the base metal and made of a nickel-based plating layer containing at least one material of nitrogen (N), silicon (Si), titanium (Ti), chromium (Cr) and aluminum (Al) as an additive. The second layer is formed on the surface of the first layer and made of a diamond-like carbon layer containing the same additive as the additive contained in the first layer.Type: ApplicationFiled: December 18, 2009Publication date: June 24, 2010Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takahiro SUGIOKA, Takayuki Kato, Atsushi Saito, Shino Okubo, Hiroaki Sato, Taichi Nakamizo
-
Patent number: 7721642Abstract: To provide a sliding member that exhibits excellent durability and is free of lead. A swash plate for a compressor as the sliding member of the invention contains a base material having on the surface thereof a sliding layer constituting at least a sliding surface, on which shoes slide. The sliding layer contains a first layer that contains an amorphous hard carbon (diamond-like carbon) film containing Si (DLC-Si film) and is formed on the base material, and a second layer that is formed on the first layer and contains polyamideimide (PAI) containing a solid lubricant such as MoS2.Type: GrantFiled: January 29, 2008Date of Patent: May 25, 2010Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Takahiro Sugioka, Takayuki Kato, Shuichi Yasuda, Atsushi Saito, Masahiro Suzuki, Hitotoshi Murase, Takashi Iseki, Hideo Tachikawa, Kazuyuki Nakanishi, Takao Kobayashi, Ken-ichi Suzuki