Patents by Inventor Toshiaki Okuda
Toshiaki Okuda 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: 11965469Abstract: In an internal combustion engine having a cylinder in which an air-fuel mixture of gaseous fuel and intake air is combusted, an intake passage connected to the cylinder, and a supercharger for supercharging the intake air, in a case where backfire is generated in a set period before supercharging is performed by the supercharger, supercharging is performed at a smaller supercharging pressure than in a case where backfire is not generated in the set period.Type: GrantFiled: August 17, 2023Date of Patent: April 23, 2024Assignee: Toyota Jidosha Kabushiki KaishaInventors: Toshiaki Tamachi, Yoshito Sekiguchi, Masato Nakano, Koichi Okuda, Tatsuya Imamura, Atsushi Tabata
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Publication number: 20240068420Abstract: In an internal combustion engine having a cylinder in which an air-fuel mixture of gaseous fuel and intake air is combusted, an intake passage connected to the cylinder, and a supercharger for supercharging the intake air, in a case where backfire is generated in a set period before supercharging is performed by the supercharger, supercharging is performed at a smaller supercharging pressure than in a case where backfire is not generated in the set period.Type: ApplicationFiled: August 17, 2023Publication date: February 29, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toshiaki TAMACHI, Yoshito SEKIGUCHI, Masato NAKANO, Koichi OKUDA, Tatsuya IMAMURA, Atsushi TABATA
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Publication number: 20240043619Abstract: Problem: The invention provides a polyimide precursor as well as a resin composition thereof that is excellent in coating properties of slit coating as well as productivity and also excellent in optical properties that are required for applications of flexible substrates. Solution: The polyimide precursor comprises a structure unit derived from a fluorene backbone and a silicon-containing structure unit, and a weight-average molecular weight of the polyimide precursor is 90,000 to 250,000.Type: ApplicationFiled: October 5, 2023Publication date: February 8, 2024Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Takayuki KANADA, Masaki MAITANI, Toshiaki OKUDA
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Publication number: 20210246268Abstract: Disclosed is a composition comprising a silicon-containing compound represented by the general formula (1) mentioned in the description of the present application, at least one compound of the general formula (2-1) or (2-2) in which m is an integer of 3 or greater mentioned in the description of the present application, and optionally a compound represented by the general formula (3). The total amount of the silicon-containing compound of the general formula (2-1) or (2-2) in which m is an integer of 3 or greater is more than 0 ppm and 46,000 ppm or less based on the total weight of the silicon-containing compounds of the general formulas (1), (2-1), (2-2), and (3). The composition is used for producing a polyimide precursor obtained by copolymerizing a silicon-containing compound, tetracarboxylic dianhydride, and diamine.Type: ApplicationFiled: April 23, 2019Publication date: August 12, 2021Applicants: Shin-Etsu Chemical Co., Ltd., ASAHI KASEI KABUSHIKI KAISHAInventors: Yuji ANDO, Ryota HASHIMOTO, Takeshi KASHIWADA, Toshiaki OKUDA, Naoyuki SHINOHARA
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Publication number: 20200002476Abstract: Problem: The invention provides a polyimide precursor as well as a resin composition thereof that is excellent in coating properties of slit coating as well as productivity and also excellent in optical properties that are required for applications of flexible substrates. Solution: The polyimide precursor comprises a structure unit derived from a fluorene backbone and a silicon-containing structure unit, and a weight-average molecular weight of the polyimide precursor is 90,000 to 250,000.Type: ApplicationFiled: June 21, 2019Publication date: January 2, 2020Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Takayuki KANADA, Masaki MAITANI, Toshiaki OKUDA
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Publication number: 20190352463Abstract: A solvent for a resin composition that includes a polyimide precursor having a structure unit derived from polyamic acid and a structure unit derived from siloxane having a monovalent aliphatic hydrocarbon group of 1 to 5 carbon atoms or a monovalent aromatic group of 6 to 10 carbon atoms. The solvent is a mixture of an amide-based solvent and a non-amide-based solvent having a boiling point of 160° C. or higher, and the resin composition includes cyclic siloxane.Type: ApplicationFiled: May 9, 2019Publication date: November 21, 2019Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Masaki MAITANI, Toshiaki OKUDA, Takayuki KANADA
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Publication number: 20170165879Abstract: Provided is a resin composition including a polyimide precursor that has exceptional adhesiveness to glass substrates and that does not generate particles during laser detachment. A resin composition containing (a) a polyimide precursor, (b) an organic solvent, and (d) an alkoxysilane compound, wherein the resin composition shows polyimide obtained by imidation of the (a) polyimide precursor after application of the resin composition to the surface of a support, the residual stress with the support is from ?5 MPa to 10 MPa, and the 308 nm absorbance of the (d) alkoxysilane compound when made into a 0.001 mass % NMP solution is from 0.1 to 0.5 at a solution thickness of 1 cm.Type: ApplicationFiled: July 13, 2015Publication date: June 15, 2017Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Yoshiki MIYAMOTO, Toshiaki OKUDA, Masaki MAITANI, Yasuhito IIZUKA, Takayuki KANADA
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Publication number: 20080249144Abstract: Not only acute or chronic interstitial pneumonia and plumonary fibrosis but also chronic obstructive plumonary diseases, such as plumonary emphysema and chronic bronchitis, can be effectively prevented or treated by inhalation administration to the lung tissue of 2-{N-[4-(4-chlorobenzenesulfonylamino)butyl]-N-{3-[(4-isopropyl 2-thiazolyl)methoxy]benzyl}}-sulfamoylbenzoic acid or a pharmacologically acceptable salt thereof.Type: ApplicationFiled: July 21, 2005Publication date: October 9, 2008Applicant: KAKEN PHARMACEUITICAL CO., LTD.Inventors: Toshiaki Okuda, Shigeo Kurokawa, Takahiko Murata, Masahiro Amakawa, Tsutomu Nakamura
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Patent number: 5852050Abstract: The present invention relates to a preparation, particularly a topical preparation, for the therapy of wounds or hemorrhoids, which contains, as an active ingredient, at least one of prostaglandin I.sub.2, prostaglandin E.sub.1 and derivatives of these, particularly beraprost, a derivative of prostaglandin I.sub.2, or a salt thereof, and a method of the therapy of wounds or hemorrhoids, which comprises administering the above active ingredient.Type: GrantFiled: July 9, 1997Date of Patent: December 22, 1998Assignees: Kaken Pharmaceutical Co., Ltd., Toray Industries Inc.Inventors: Makoto Okumura, Toshiaki Okuda, Tsutomu Nakamura, Motoyuki Yajima
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Patent number: 5679707Abstract: The present invention relates to a preparation, particularly a topical preparation, for the therapy of wounds or hemorrhoids, which contains, as an active ingredient, at least one of prostaglandin I.sub.2, prostaglandin E.sub.1 and derivatives of these, particularly beraprost, a derivative of prostaglandin I.sub.2, or a salt thereof, and a method of the therapy of wounds or hemorrhoids, which comprises administering the above active ingredient.Type: GrantFiled: December 27, 1994Date of Patent: October 21, 1997Assignees: Kaken Pharmaceutical Co., Ltd., Toray Industries Inc.Inventors: Makoto Okumura, Toshiaki Okuda, Tsutomu Nakamura, Motoyuki Yajima
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Patent number: 5403867Abstract: The present invention relates to a preparation, particularly a topical preparation, for the therapy of wounds or hemorrhoids, which contains, as an active ingredient, at least one of prostaglandin I.sub.2, prostaglandin E.sub.1 and derivatives of these, particularly beraprost, a derivative of prostaglandin I.sub.2, or a salt thereof, and a method of the therapy of wounds or hemorrhoids, which comprises administering the above active ingredient.Type: GrantFiled: November 30, 1993Date of Patent: April 4, 1995Assignees: Kaken Pharmaceutical Co., Ltd., Toray Industries, Inc.Inventors: Makoto Okumura, Toshiaki Okuda, Tsutomu Nakamura, Motoyuki Yajima
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Patent number: 4731375Abstract: A chromene derivative having the general formula (I): ##STR1## wherein n is 1 to 5 and --O--CH.sub.2).sub.n CO.sub.2 H group is attached to 5-position, 6-position, 7-position or 8-position, or salts thereof, a process for preparing the same and antiallergic agents containing the same.The compounds of the present invention inhibit the immunological release of chemical mediators such as SRS-A and histamine from mast cell and have an excellent effect in preventing and treating the various allergic diseases such as allergic asthma, allergic dermatitis, allergic nasitis, hives, allergic enteritis and allergic conjunctivitis, especially allergic asthma.Type: GrantFiled: December 9, 1985Date of Patent: March 15, 1988Assignee: Kaken Pharmaceutical Co., Ltd.Inventors: Jun Nakano, Toshikazu Awaji, Kiyoshi Kuriyama, Yoshiyuki Hiyama, Toshiaki Okuda