Patents by Inventor Fumio Yamashita
Fumio Yamashita 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: 20240136177Abstract: A template substrate including a first seed region and a growth restricting region that are aligned in a first direction, and a first semiconductor part positioned above the template substrate are provided, the first semiconductor part includes a first base positioned above the first seed region, and a first wing connected to the first base, the first wing facing the growth restricting region with a first void space interposed therebetween, the first wing includes an edge positioned above the growth restricting region, and a ratio of a width of the first void space with respect to a thickness of the first void space in the first direction is equal to or larger than 5.0.Type: ApplicationFiled: October 18, 2022Publication date: April 25, 2024Applicant: KYOCERA CORPORATIONInventors: Takeshi KAMIKAWA, Yuta AOKI, Kazuma TAKEUCHI, Katsuaki MASAKI, Fumio YAMASHITA
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Patent number: 11649370Abstract: A thermosetting coating composition includes a hydroxyl group-containing resin (A), a blocked polyisocyanate curing agent (B), and an amine compound (C) represented by the formula (1). In the formula (1), R1 to R5 each independently represents a hydrogen atom or an organic group having one or more carbon atoms. The organic group may contain one or more atoms selected from the group consisting of oxygen atoms, nitrogen atoms, sulfur atoms, and halogen atoms.Type: GrantFiled: September 27, 2017Date of Patent: May 16, 2023Assignee: KANSAI PAINT CO., LTD.Inventors: Haruyuki Gontani, Fumio Yamashita, Takashi Iwai
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Publication number: 20220169883Abstract: A thermosetting coating composition includes a hydroxyl group-containing resin, a curing agent, a phosphazene compound, and a solvent. The curing agent is a polyisocyanate curing agent and/or a blocked polyisocyanate curing agent.Type: ApplicationFiled: February 5, 2020Publication date: June 2, 2022Applicant: KANSAI PAINT CO., LTD.Inventors: Mutsumi OGASAWARA, Fumio YAMASHITA
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Publication number: 20190276702Abstract: A thermosetting coating composition includes a hydroxyl group-containing resin (A), a blocked polyisocyanate curing agent (B), and an amine compound (C) represented by the formula (1). In the formula (1), R1 to R5 each independently represents a hydrogen atom or an organic group having one or more carbon atoms. The organic group may contain one or more atoms selected from the group consisting of oxygen atoms, nitrogen atoms, sulfur atoms, and halogen atoms.Type: ApplicationFiled: September 27, 2017Publication date: September 12, 2019Applicant: KANSAI PAINT CO., LTD.Inventors: Haruyuki GONTANI, Fumio YAMASHITA, Takashi IWAI
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Patent number: 9636703Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, the method making it possible to obtain, with excellent curability at low temperatures and in a short period of time, a multilayer coating film exhibiting an excellent finished appearance. The present invention provides a method for forming a multilayer coating film, wherein a substrate is sequentially coated with at least one layer of one or more base coating compositions, and with one or more clear coating compositions, the method being characterized by utilizing a clear coating composition containing a hydroxy-containing acrylic resin (A) having a hydroxy value in a specific range; a polyisocyanate compound (B) having a viscosity in a specific range; and an organometallic catalyst (C) containing a metallic compound (C1) in which the metal is a member selected from the group consisting of zinc, tin, zirconium, bismuth, lead, cobalt, manganese, titanium, aluminum, and molybdenum, and an amidine compound (C2).Type: GrantFiled: September 12, 2012Date of Patent: May 2, 2017Assignee: KANSAI PAINT CO., LTD.Inventors: Naoyuki Iwata, Fumio Yamashita
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Patent number: 9404010Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, capable of achieving excellent curability under low-temperature, short-time conditions, and forming a multilayer coating film having excellent chipping resistance and an excellent finished appearance. This method comprises sequentially applying an aqueous first colored coating composition (X), an aqueous second colored coating composition (Y), and a clear coating composition (Z) to a substrate, and simultaneously bake-curing the resulting multilayer coating film. In this method, the aqueous first colored coating composition (X) comprises an aqueous film-forming resin (A) and a specific blocked polyisocyanate compound (B), and the clear coating composition (Z) comprises a hydroxy-containing acrylic resin (K) having a hydroxy value in a specific range, a polyisocyanate compound (L), and an organometallic catalyst (M) containing a metal compound (M1) selected from a specific range and an amidine compound (M2).Type: GrantFiled: June 24, 2013Date of Patent: August 2, 2016Assignee: KANSAI PAINT CO., LTD.Inventors: Naoyuki Iwata, Fumio Yamashita, Minoru Ishikura, Takashi Nakayabu, Kazushi Konishi, Toshiaki Morita, Masami Kobata
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Patent number: 9157006Abstract: An object of the present invention is to provide a coating composition that has excellent curability at low temperatures and in a short period of time, and that also has satisfactory pot life (usable life) and makes it possible to obtain a cured coating film with an excellent finished appearance. The present invention provides a coating composition comprising a secondary hydroxy-containing acrylic resin (A), which is a copolymer of monomer components comprising 20 to 50% by mass of secondary hydroxy-containing polymerizable unsaturated monomer (a) and 50 to 80% by mass of at least one other polymerizable unsaturated monomer (b); a polyisocyanate compound (B); and an organometallic catalyst (C) containing a metallic compound (C1) in which the metal is a member selected from the group consisting of zinc, tin, zirconium, bismuth, lead, cobalt, manganese, titanium, aluminum and molybdenum, and an amidine compound (C2).Type: GrantFiled: September 12, 2012Date of Patent: October 13, 2015Assignee: KANSAI PAINT CO., LTD.Inventors: Naoyuki Iwata, Fumio Yamashita
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Publication number: 20150218405Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, capable of achieving excellent curability under low-temperature, short-time conditions, and forming a multilayer coating film having excellent chipping resistance and an excellent finished appearance. This method comprises sequentially applying an aqueous first colored coating composition (X), an aqueous second colored coating composition (Y), and a clear coating composition (Z) to a substrate, and simultaneously bake-curing the resulting multilayer coating film. In this method, the aqueous first colored coating composition (X) comprises an aqueous film-forming resin (A) and a specific blocked polyisocyanate compound (B), and the clear coating composition (Z) comprises a hydroxy-containing acrylic resin (K) having a hydroxy value in a specific range, a polyisocyanate compound (L), and an organometallic catalyst (M) containing a metal compound (M1) selected from a specific range and an amidine compound (M2).Type: ApplicationFiled: June 24, 2013Publication date: August 6, 2015Inventors: Naoyuki Iwata, Fumio Yamashita, Minoru Ishikura, Takashi Nakayabu, Kazushi Konishi, Toshiaki Morita, Masami Kobata
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Publication number: 20140227534Abstract: An object of the present invention is to provide a method for forming a multilayer coating film, the method making it possible to obtain, with excellent curability at low temperatures and in a short period of time, a multilayer coating film exhibiting an excellent finished appearance. The present invention provides a method for forming a multilayer coating film, wherein a substrate is sequentially coated with at least one layer of one or more base coating compositions, and with one or more clear coating compositions, the method being characterized by utilizing a clear coating composition containing a hydroxy-containing acrylic resin (A) having a hydroxy value in a specific range; a polyisocyanate compound (B) having a viscosity in a specific range; and an organometallic catalyst (C) containing a metallic compound (C1) in which the metal is a member selected from the group consisting of zinc, tin, zirconium, bismuth, lead, cobalt, manganese, titanium, aluminum, and molybdenum, and an amidine compound (C2).Type: ApplicationFiled: September 12, 2012Publication date: August 14, 2014Inventors: Naoyuki Iwata, Fumio Yamashita
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Publication number: 20140200305Abstract: An object of the present invention is to provide a coating composition that has excellent curability at low temperatures and in a short period of time, and that also has satisfactory pot life (usable life) and makes it possible to obtain a cured coating film with an excellent finished appearance. The present invention provides a coating composition comprising a secondary hydroxy-containing acrylic resin (A), which is a copolymer of monomer components comprising 20 to 50% by mass of secondary hydroxy-containing polymerizable unsaturated monomer (a) and 50 to 80% by mass of at least one other polymerizable unsaturated monomer (b); a polyisocyanate compound (B); and an organometallic catalyst (C) containing a metallic compound (C1) in which the metal is a member selected from the group consisting of zinc, tin, zirconium, bismuth, lead, cobalt, manganese, titanium, aluminum and molybdenum, and an amidine compound (C2).Type: ApplicationFiled: September 12, 2012Publication date: July 17, 2014Inventors: Naoyuki Iwata, Fumio Yamashita
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Patent number: 7995632Abstract: In a nitride semiconductor laser chip so structured as to suppress development of a step on nitride semiconductor layers, the substrate has the (1-100) plane as the principal plane, the resonator facet is perpendicular to the principal plane, and, in the cleavage surface forming the resonator facet, at least by one side of a stripe-shaped waveguide, an etched-in portion is formed as an etched-in region open toward the surface of the nitride semiconductor layers.Type: GrantFiled: May 30, 2008Date of Patent: August 9, 2011Assignee: Sharp Kabushiki KaishaInventors: Fumio Yamashita, Shigetoshi Ito, Shuichiro Yamamoto, Toshiyuki Kawakami
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Patent number: 7842956Abstract: On a nitride semiconductor layered portion formed on a substrate, there are formed an insulating film and a p-side electrode in this order. Furthermore, an end portion electrode protection layer is formed above the p-side electrode, around a position where cleavage will take place.Type: GrantFiled: December 11, 2006Date of Patent: November 30, 2010Assignee: Sharp Kabushiki KaishaInventors: Susumu Ohmi, Kunihiro Takatani, Fumio Yamashita, Mototaka Taneya
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Publication number: 20080304528Abstract: In a nitride semiconductor laser device so structured as to suppress development of a step on nitride semiconductor layers, the substrate has the (11-20) plane as the principal plane, the resonator end surface is perpendicular to the principal plane, and, in the cleavage surface forming the resonator end surface, at least by one side of a stripe-shaped waveguide, an etched-in portion is formed as an etched-in region open toward the surface of the nitride semiconductor layers.Type: ApplicationFiled: June 3, 2008Publication date: December 11, 2008Inventors: Shuichiro Yamamoto, Shigetoshi Ito, Fumio Yamashita, Toshiyuki Kawakami
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Publication number: 20080298409Abstract: In a nitride semiconductor laser chip so structured as to suppress development of a step on nitride semiconductor layers, the substrate has the (1-100) plane as the principal plane, the resonator facet is perpendicular to the principal plane, and, in the cleavage surface forming the resonator facet, at least by one side of a stripe-shaped waveguide, an etched-in portion is formed as an etched-in region open toward the surface of the nitride semiconductor layers.Type: ApplicationFiled: May 30, 2008Publication date: December 4, 2008Inventors: Fumio Yamashita, Shigetoshi Ito, Shuichiro Yamamoto, Toshiyuki Kawakami
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Publication number: 20070131960Abstract: On a nitride semiconductor layered portion formed on a substrate, there are formed an insulating film and a p-side electrode in this order. Furthermore, an end portion electrode protection layer is formed above the p-side electrode, around a position where cleavage will take place.Type: ApplicationFiled: December 11, 2006Publication date: June 14, 2007Inventors: Susumu Ohmi, Kunihiro Takatani, Fumio Yamashita, Mototaka Taneya
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Patent number: 6914116Abstract: A light-colored water based intercoat coating composition containing a hydroxyl group-containing resin (A), a curing agent (B) and a color pigment (C), a resulting coating film having a lightness index or a L value of 80 or more, the curing agent (B) being a blocked polyisocyanate curing agent (B1) blocked with a pyrazole blocking agent.Type: GrantFiled: July 31, 2003Date of Patent: July 5, 2005Assignee: Kansai Paint Co., Ltd.Inventors: Hideaki Katsuta, Hideo Sugai, Shingo Sato, Fumio Yamashita
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Publication number: 20040030087Abstract: A light-colored water based intercoat coating composition containing a hydroxyl group-containing resin (A), a curing agent (B) and a color pigment (C), a resulting coating film having a lightness index or a L value of 80 or more, the curing agent (B) being a blocked polyisocyanate curing agent (B1) blocked with a pyrazole blocking agent.Type: ApplicationFiled: July 31, 2003Publication date: February 12, 2004Inventors: Hideaki Katsuta, Hideo Sugai, Shingo Sato, Fumio Yamashita
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Patent number: 6596793Abstract: This invention provides a copolymer having a number-average molecular weight within a range of 2,000-100,000 and a resin acid value within a range of 10-200 mgKOH/g, which is obtained by copolymerizing (a) 5-50 parts by weight of carboxyl-containing, polymerizable unsaturated macromonomer, (b) 30-70 parts by weight of at least one polymerizable unsaturated macromonomer selected from polyalkyl (meth)acrylate macromonomers and polystyrene macromonomers, and (c) 5-65 parts by weight of at least one other polymerizable unsaturated monomer which is copolymerizable with said (a) and/or (b) component; a pigment dispersion using this copolymer; and a pigment composition using this pigment dispersion.Type: GrantFiled: June 13, 2001Date of Patent: July 22, 2003Assignee: Kansai Paint Co., Ltd.Inventors: Fumio Yamashita, Yoshiyuki Yukawa
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Publication number: 20020019472Abstract: This invention provides a copolymer having a number-average molecular weight within a range of 2,000-100,000 and a resin acid value within a range of 10-200 mgKOH/g, which is obtained by copolymerizing (a) 5-50 parts by weight of carboxyl-containing, polymerizable unsaturated macromonomer, (b) 30-70 parts by weight of at least one polymerizable unsaturated macromonomer selected from polyalkyl (meth)acrylate macromonomers and polystyrene macromonomers, and (c) 5-65 parts by weight of at least one other polymerizable unsaturated monomer which is copolymerizable with said (a) and/or (b) component; a pigment dispersion using this copolymer; and a pigment composition using this pigment dispersion.Type: ApplicationFiled: June 13, 2001Publication date: February 14, 2002Inventors: Fumio Yamashita, Yoshiyuki Yukawa
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Patent number: 6174965Abstract: The present invention provides a polyester resin having in the molecule at least one quaternary ammonium base represented by the formula (wherein X is halogen and R is alkyl), and a process for its production. The present invention further provides a pigment dispersion containing a pigment and the above polyester resin as resin for dispersion of the pigment, and also provides a coating composition containing the above pigment dispersion.Type: GrantFiled: February 23, 1999Date of Patent: January 16, 2001Assignee: Kansai Paint Company, LimitedInventors: Fumio Yamashita, Yoshiyuki Yukawa, Haruhiko Aida