Patents by Inventor Hiroyuki Matsuyama
Hiroyuki Matsuyama 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).
-
Patent number: 11976171Abstract: A polyimide resin precursor is obtained by allowing a diamine and an acid anhydride to react with each other. The diamine includes p-phenylenediamine, a bis(aminophenoxy)benzene, and 2-(4-aminophenyl)benzoxazol-5-amine. The acid anhydride includes a biphenyl tetracarboxylic dianhydride. The content of the p-phenylenediamine is 30 to 75% by mol, the content of the bis(aminophenoxy)benzene is 10 to 30% by mol, and the content of the 2-(4-aminophenyl)benzoxazol-5-amine is 10 to 50% by mol, with respect to the total of the diamine. The content of the biphenyl tetracarboxylic dianhydride is 78% by mol or more with respect to the total of the acid anhydride.Type: GrantFiled: October 1, 2021Date of Patent: May 7, 2024Assignee: Arisawa MFG. Co., Ltd.Inventors: Yoshinori Sato, Hiroyuki Matsuyama, Yoshihiko Konno
-
Patent number: 11946143Abstract: A laminate comprising a substrate; and a plating-forming layer disposed on at least one surface of both surfaces of the substrate and containing a thermoplastic resin and a plating catalyst, wherein the plating-forming layer further satisfies conditions of the following (1) and/or (2), (1) the plating-forming layer contains a dispersing agent for dispersing the plating catalyst (2) an abundance of the plating catalyst on a surface side of the plating-forming layer is higher than an abundance of the plating catalyst on the substrate side of the plating-forming layer.Type: GrantFiled: September 4, 2019Date of Patent: April 2, 2024Assignee: Arisawa Mfg. Co., Ltd.Inventors: Kenji Nakamura, Yoshihiko Konno, Hiroyuki Matsuyama, Makoto Tai, Shuichi Fujita
-
Publication number: 20230312828Abstract: A polyimide resin precursor is obtained by allowing a diamine and an acid anhydride to react with each other. The diamine includes p-phenylenediamine, a bis(aminophenoxy)benzene, and 2-(4-aminophenyl)benzoxazol-5-amine. The acid anhydride includes a biphenyl tetracarboxylic dianhydride. The content of the p-phenylenediamine is 30 to 75% by mol, the content of the bis(aminophenoxy)benzene is 10 to 30% by mol, and the content of the 2-(4-aminophenyl)benzoxazol-5-amine is 10 to 50% by mol, with respect to the total of the diamine. The content of the biphenyl tetracarboxylic dianhydride is 78% by mol or more with respect to the total of the acid anhydride.Type: ApplicationFiled: October 1, 2021Publication date: October 5, 2023Inventors: Yoshinori Sato, Hiroyuki Matsuyama, Yoshihiko Konno
-
Patent number: 11760838Abstract: The polyimide resin precursor in the present embodiment is a polyimide resin precursor obtained by allowing a diamine component and a tetracarboxylic acid anhydride component to react with each other, wherein based on the whole of the diamine component, the content of p-phenylenediamine is 75 mol % or more; the tetracarboxylic acid anhydride component includes an ester-containing tetracarboxylic acid anhydride represented by formula (1), and at least one biphenyltetracarboxylic acid anhydride selected from the group consisting of 3,4,3?,4?-biphenyltetracarboxylic acid dianhydride, 2,3,3?,4?-biphenyltetracarboxylic acid dianhydride and 2,3,2?,3?-biphenyltetracarboxylic acid dianhydride; and based on the whole of the tetracarboxylic acid anhydride component, (i) the total of the content of the ester-containing tetracarboxylic acid anhydride and the content of the biphenyltetracarboxylic acid anhydride is 75 mol % or more, and (ii) the content of the ester-containing tetracarboxylic acid anhydride is 15 to 80 moType: GrantFiled: April 30, 2020Date of Patent: September 19, 2023Assignee: Arisawa Mfg. Co., Ltd.Inventors: Hiroyuki Matsuyama, Yoshinori Sato
-
Patent number: 11376826Abstract: A multilayer film including alternately-laminated fluororesin layers and polyimide resin layers, wherein a total number of the fluororesin layers and the polyimide resin layers is five or more, a ratio of the total thickness of the fluororesin layers to the thickness of the whole multilayer film is 50% or more, and at least one of the outermost layers of the multilayer film is a fluororesin layer.Type: GrantFiled: March 19, 2019Date of Patent: July 5, 2022Assignee: Arisawa Mfg. Co., Ltd.Inventors: Hiroyuki Matsuyama, Makoto Tai, Akira Fujita, Takayuki Mayama
-
Publication number: 20210348276Abstract: A laminate comprising a substrate; and a plating-forming layer disposed on at least one surface of both surfaces of the substrate and containing a thermoplastic resin and a plating catalyst, wherein the plating-forming layer further satisfies conditions of the following (1) and/or (2), (1) the plating-forming layer contains a dispersing agent for dispersing the plating catalyst (2) an abundance of the plating catalyst on a surface side of the plating-forming layer is higher than an abundance of the plating catalyst on the substrate side of the plating-forming layer.Type: ApplicationFiled: September 4, 2019Publication date: November 11, 2021Applicant: Arisawa Mfg. Co., Ltd.Inventors: Kenji Nakamura, Yoshihiko Konno, Hiroyuki Matsuyama, Makoto Tai, Shuichi Fujita
-
Patent number: 11118013Abstract: The polyimide resin precursor in the present embodiment is a polyimide resin precursor obtained by allowing a diamine component and a tetracarboxylic acid anhydride component to react with each other, wherein based on the whole of the diamine component, the content of p-phenylenediamine is 75 mol % or more; the tetracarboxylic acid anhydride component includes an ester-containing tetracarboxylic acid anhydride represented by formula (1), and at least one biphenyltetracarboxylic acid anhydride selected from the group consisting of 3,4,3?,4?-biphenyltetracarboxylic acid dianhydride, 2,3,3?,4?-biphenyltetracarboxylic acid dianhydride and 2,3,2?,3?-biphenyltetracarboxylic acid dianhydride; and based on the whole of the tetracarboxylic acid anhydride component, (i) the total of the content of the ester-containing tetracarboxylic acid anhydride and the content of the biphenyltetracarboxylic acid anhydride is 75 mol % or more, and (ii) the content of the ester-containing tetracarboxylic acid anhydride is 15 to 80 moType: GrantFiled: January 27, 2017Date of Patent: September 14, 2021Assignee: Arisawa Mfg. Co., Ltd.Inventors: Hiroyuki Matsuyama, Yoshinori Sato
-
Publication number: 20210170732Abstract: A multilayer film including alternately-laminated fluororesin layers and polyimide resin layers, wherein a total number of the fluororesin layers and the polyimide resin layers is five or more, a ratio of the total thickness of the fluororesin layers to the thickness of the whole multilayer film is 50% or more, and at least one of the outermost layers of the multilayer film is a fluororesin layer.Type: ApplicationFiled: March 19, 2019Publication date: June 10, 2021Inventors: Hiroyuki Matsuyama, Makoto Tai, Akira Fujita, Takayuki Mayama
-
Patent number: 10937918Abstract: Provided is a flexible printed circuit including: a film-shaped insulating base material having flexibility and having a withstand voltage value of at least 2000 V; and an electric conductor layer formed on the insulating base material and forming a circuit pattern, wherein with respect to the insulating base material, a principal component thereof is a polyimide and a filler content thereof is 0%. Thus, a flexible printed circuit can be obtained that has an insulating base material which suppresses decrease in withstand voltage performance even in a high humidity environment.Type: GrantFiled: February 13, 2015Date of Patent: March 2, 2021Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kenji Saito, Youichi Nagai, Kenichi Hirotsu, Takashi Iwasaki, Shougo Asai, Hiroyuki Matsuyama
-
Publication number: 20200255595Abstract: The polyimide resin precursor in the present embodiment is a polyimide resin precursor obtained by allowing a diamine component and a tetracarboxylic acid anhydride component to react with each other, wherein based on the whole of the diamine component, the content of p-phenylenediamine is 75 mol % or more; the tetracarboxylic acid anhydride component includes an ester-containing tetracarboxylic acid anhydride represented by formula (1), and at least one biphenyltetracarboxylic acid anhydride selected from the group consisting of 3,4,3?,4?-biphenyltetracarboxylic acid dianhydride, 2,3,3?,4?-biphenyltetracarboxylic acid dianhydride and 2,3,2?,3?-biphenyltetracarboxylic acid dianhydride; and based on the whole of the tetracarboxylic acid anhydride component, (i) the total of the content of the ester-containing tetracarboxylic acid anhydride and the content of the biphenyltetracarboxylic acid anhydride is 75 mol % or more, and (ii) the content of the ester-containing tetracarboxylic acid anhydride is 15 to 80 moType: ApplicationFiled: April 30, 2020Publication date: August 13, 2020Inventors: Hiroyuki Matsuyama, Yoshinori Sato
-
Patent number: 9719942Abstract: Provided are a sintered ceramic and a ceramic sphere which are inhibited from suffering surface peeling due to fatigue resulting from repetitions of loading and can attain an improvement in dimensional accuracy when subjected to surface processing and which have excellent wear resistance and durability.Type: GrantFiled: November 11, 2010Date of Patent: August 1, 2017Assignees: NIKKATO CORPORATION, TSUBAKI NAKASHIMA CO., LTD.Inventors: Hiroshi Onishi, Hiroshi Ikeda, Hiroki Takimoto, Hiroshi Uemura, Kenji Yamada, Hideki Ono, Hiroyuki Matsuyama
-
Publication number: 20170210854Abstract: The polyimide resin precursor in the present embodiment is a polyimide resin precursor obtained by allowing a diamine component and a tetracarboxylic acid anhydride component to react with each other, wherein based on the whole of the diamine component, the content of p-phenylenediamine is 75 mol % or more; the tetracarboxylic acid anhydride component includes an ester-containing tetracarboxylic acid anhydride represented by formula (1), and at least one biphenyltetracarboxylic acid anhydride selected from the group consisting of 3,4,3?,4?-biphenyltetracarboxylic acid dianhydride, 2,3,3?,4?-biphenyltetracarboxylic acid dianhydride and 2,3,2?,3?-biphenyltetracarboxylic acid dianhydride; and based on the whole of the tetracarboxylic acid anhydride component, (i) the total of the content of the ester-containing tetracarboxylic acid anhydride and the content of the biphenyltetracarboxylic acid anhydride is 75 mol % or more, and (ii) the content of the ester-containing tetracarboxylic acid anhydride is 15 to 80 moType: ApplicationFiled: January 27, 2017Publication date: July 27, 2017Inventors: Hiroyuki MATSUYAMA, Yoshinori SATO
-
Publication number: 20170033249Abstract: Provided is a flexible printed circuit including: a film-shaped insulating base material having flexibility and having a withstand voltage value of at least 2000 V; and an electric conductor layer formed on the insulating base material and forming a circuit pattern, wherein with respect to the insulating base material, a principal component thereof is a polyimide and a filler content thereof is 0%. Thus, a flexible printed circuit can be obtained that has an insulating base material which suppresses decrease in withstand voltage performance even in a high humidity environment.Type: ApplicationFiled: February 13, 2015Publication date: February 2, 2017Inventors: Kenji Saito, Youichi Nagai, Kenichi Hirotsu, Takashi Iwasaki, Shougo Asai, Hiroyuki Matsuyama
-
Patent number: 9316599Abstract: Provided are a sintered ceramic and a ceramic sphere which are inhibited from suffering surface peeling due to fatigue resulting from repetitions of loading and can attain an improvement in dimensional accuracy when subjected to surface processing and which have excellent wear resistance and durability. A ceramic-sphere inspection device is also provided with which a ceramic sphere is inspected for a flaw present in the surface layer and for snow flakes without destroying the ceramic sphere. The device is a ceramic-sphere inspection device (100) in which a ceramic sphere (S) is rotatably supported in a given position and illuminating light emitted from a light projector (110) is detected with a light receiver (120) to evaluate the state of the inner part of the surface layer, and has been configured so that the light receiver (120) does not detect the light emitted from the light projector (110) and reflected at the surface of the ceramic sphere.Type: GrantFiled: August 13, 2014Date of Patent: April 19, 2016Assignees: NIKKATO CORPORATION, TSUBAKI NAKASHIMA CO., LTD.Inventors: Hiroshi Onishi, Hiroshi Ikeda, Hiroki Takimoto, Hiroshi Uemura, Kenji Yamada, Hideki Ono, Hiroyuki Matsuyama
-
High purity ferritic stainless steel sheet excellent in corrosion resistance and anti-glare property
Patent number: 9289964Abstract: An alloy-saving type high purity ferritic stainless steel sheet, comprising a steel sheet which contains, by mass %, C: 0.001 to 0.03%, Si: 0.01 to 1%, Mn: 0.01 to 1.5%, P: 0.005 to 0.05%, S: 0.0001 to 0.01%, Cr: 13 to 30%, N: 0.001 to 0.03%, Al: 0.005 to 1%, and Sn: 0.01 to 1% and has a balance of Fe and unavoidable impurities and which has a surface film, the surface film containing one or both of Al and Si in a total of 5 to 50 at % and Sn, an average concentration of Cr in the surface film being 1.1 to 3 times the concentration of Cr inside the steel sheet, and the surface film having a surface roughness of an arithmetic average roughness Ra of 0.1 to 1.5 ?m.Type: GrantFiled: March 5, 2012Date of Patent: March 22, 2016Assignee: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATIONInventors: Masaharu Hatano, Hiroyuki Matsuyama, Akihito Yamagishi, Naoto Hansaki, Eiichiro Ishimaru -
Patent number: 9064809Abstract: Disclosed is a method for removing an oxide film formed on a surface of a silicon wafer, comprising steps of: preparing a silicon wafer having an oxide film formed thereon; arranging a discoid wafer mounting stage, which has a contact portion with the oxide film being formed of an acid-resistant resin layer, in a reaction container of a vapor-phase etching apparatus; mounting the silicon wafer on the mounting stage in such a manner that a wafer center coincides with a central axis of the mounting stage; and circulating a hydrogen fluoride containing gas into the reaction container and removing the oxide film from an interface between a chamfered surface and a wafer lower surface toward the inner side of the wafer until a desired interval a is obtained, wherein the desired interval a is adjusted by changing a stage diameter of the mounting stage.Type: GrantFiled: February 6, 2013Date of Patent: June 23, 2015Assignee: SUMCO CORPORATIONInventors: Hiroyuki Matsuyama, Chieko Takada, Junichi Matsuo, Hiroyuki Komatsu
-
Publication number: 20150089527Abstract: Included is a unit configured to calculate feature points of a scene image of a screen acquired from a television program that is currently on air on a given number of broadcast stations, or a simulcast distribution server at predetermined intervals, and save, in a storage unit, feature point data of a predetermined time period on a broadcast station basis; a unit configured to receive feature point data of an image of a television program currently being watched by a user, the feature point data having been transmitted from a mobile terminal of the user; and a unit configured to check the received feature point data against the feature point data saved in the storage unit and identify a scene image that satisfies a predetermined matching condition.Type: ApplicationFiled: September 25, 2014Publication date: March 26, 2015Inventors: Hiroyuki Matsuyama, Keigo Aoki, Sakae Takeuchi, Setsuo Kimura
-
Publication number: 20140347656Abstract: Provided are a sintered ceramic and a ceramic sphere which are inhibited from suffering surface peeling due to fatigue resulting from repetitions of loading and can attain an improvement in dimensional accuracy when subjected to surface processing and which have excellent wear resistance and durability. A ceramic-sphere inspection device is also provided with which a ceramic sphere is inspected for a flaw present in the surface layer and for snow flakes without destroying the ceramic sphere. The device is a ceramic-sphere inspection device (100) in which a ceramic sphere (S) is rotatably supported in a given position and illuminating light emitted from a light projector (110) is detected with a light receiver (120) to evaluate the state of the inner part of the surface layer, and has been configured so that the light receiver (120) does not detect the light emitted from the light projector (110) and reflected at the surface of the ceramic sphere.Type: ApplicationFiled: August 13, 2014Publication date: November 27, 2014Applicants: NIKKATO CORPORATION, TSUBAKI NAKASHIMA CO., LTD.Inventors: Hiroshi Onishi, Hiroshi Ikeda, Hiroki Takimoto, Hiroshi Uemura, Kenji Yamada, Hideki Ono, Hiroyuki Matsuyama
-
Patent number: 8623502Abstract: This clear-coated stainless steel sheet includes: a stainless steel sheet; and a clear-coated film coated on either one or both of two main surfaces of the stainless steel sheet, wherein the clear-coated film contains a thermosetting resin composition (A) and resin beads (B) at a content in a range of 0.5 parts by mass to 4.0 parts by mass relative to 100 parts by mass of a solid content of the thermosetting resin composition (A), the thermosetting resin composition (A) includes an acrylic resin (A1) and a cross-linked curing resin (A2) composed of a blocked isocyanate resin and an amino resin which cross-link and cure the acrylic resin (A1), the acrylic resin (A1) includes one or more cross-linking functional groups selected from a hydroxyl group, a carboxylic group, and an alkoxy silane group, and the acrylic resin (A1) has a glass transition temperature of 30° C. to 90° C., and has a number average molecular weight of 3000 to 50000.Type: GrantFiled: March 28, 2011Date of Patent: January 7, 2014Assignee: Nippon Steel & Sumikin Stainless Steel CorporationInventors: Hiroyuki Matsuyama, Haruki Ariyoshi, Youichirou Yasuda
-
HIGH PURITY FERRITIC STAINLESS STEEL SHEET EXCELLENT IN CORROSION RESISTANCE AND ANTI-GLARE PROPERTY
Publication number: 20130337289Abstract: The present invention provides an alloy-saving type high purity ferritic stainless steel sheet not relying on high alloying of addition giving a large content of at least one of Cr and No and further not limited to a surface film by bright annealing and utilizing addition of Sn to doubly provide an anti-glare property and corrosion resistance, comprising steel sheet which contains, by mass %, C: 0.001 to 0.03%, Si: 0.01 to 1%, Mn: 0.01 to 1.5%, P: 0.005 to 0.05%, S: 0.0001 to 0.01%, Cr: 13 to 30%, N: 0.001 to 0.03%, Al: 0.005 to 1%, and Sn: 0.01 to 1% and has a balance of Fe and unavoidable impurities and which has a surface film, the surface film containing one or both of Al and Si in a total of 5 to 50 at % and Sn and an average concentration of Cr in the surface film being 1.1 to 3 times the concentration of Cr inside the steel sheet, and the surface film having a surface roughness of an arithmetic average roughness Ra of 0.1 to 1.5 ?m.Type: ApplicationFiled: March 5, 2012Publication date: December 19, 2013Applicant: NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATIONInventors: Masaharu Hatano, Hiroyuki Matsuyama, Akihito Yamagishi, Naoto Hansaki, Eiichiro Ishimaru