Patents by Inventor Minoru Tabuchi
Minoru Tabuchi 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: 20240150195Abstract: A molybdenum compound is represented by a general formula MoXa (in the formula, X is a Group 14 element, a Group 15 element, or a Group 16 element, and a is 0.5, 1, or 2), has the number of functional groups per unit area of 10 per nm2 or less when X is the Group 14 element in the general formula MoXa, has the number of functional groups per unit area of 100 per nm2 or less when X is the Group 15 element or the Group 16 element in the general formula MoXa, and has a particle diameter of 10 nm or more and less than 1,000 nm.Type: ApplicationFiled: March 22, 2022Publication date: May 9, 2024Applicant: DIC CorporationInventors: Minoru Tabuchi, Kazuaki Hatsusaka, Jianjun Yuan
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Publication number: 20240140816Abstract: Gallia particles containing molybdenum. A method for producing the gallia particles, including calcining a gallium compound in the presence of a molybdenum compound.Type: ApplicationFiled: June 11, 2021Publication date: May 2, 2024Applicant: DIC CorporationInventors: Shaowei YANG, Minoru TABUCHI, Jianjun YUAN, Wei ZHAO, Jian GUO
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Publication number: 20240133061Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.Type: ApplicationFiled: February 2, 2022Publication date: April 25, 2024Applicant: DIC CorporationInventors: Youki Kou, Yusuke Kano, Minoru Tabuchi, Jianjun Yuan
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Publication number: 20240092699Abstract: It relates to zirconia particles containing molybdenum and each having a polyhedron shape. The molybdenum is preferably unevenly distributed in surface layers of the zirconia particles. It also relates to a method for producing the zirconia particles. The method includes mixing a zirconium compound and a molybdenum compound to form a mixture and firing the mixture.Type: ApplicationFiled: December 16, 2020Publication date: March 21, 2024Inventors: Shaowei YANG, Minoru TABUCHI, Jianjun YUAN, Cheng LIU, Meng LI, Wei ZHAO, Jian GUO
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Patent number: 11926750Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters ?d, ?p, and ?h that satisfy the following conditions: 16.0 MPa0.5??d<18.0 MPa0.5; 2.5 MPa0.5??p<5.5 MPa0.5; 2.5 MPa0.5??h<8.0 MPa0.5.Type: GrantFiled: October 25, 2018Date of Patent: March 12, 2024Assignee: DIC CORPORATIONInventors: Takeo Kizaki, Minoru Tabuchi, Mariko Toshimitsu, Sunao Yoshihara, Ikuro Kiyoto
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Patent number: 11642663Abstract: Provided is a molybdenum sulfide that is ribbon-shaped and particularly suitable for a hydrogen generation catalyst. Disclosed are a ribbon-shaped molybdenum sulfide, in which 50 particles as measured by observation with a scanning electron microscope (SEM) have a shape of, on average, 500 to 10000 nm in length, 10 to 1000 nm in width, and 3 to 200 nm in thickness; a method for producing the ribbon-shaped molybdenum sulfide, including: (1) heating a molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; or (2) heating a molybdenum oxide at a temperature of 100 to 800° C. in the absence of a sulfur source, and then heating the molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; and a hydrogen generation catalyst including the ribbon-shaped molybdenum sulfide.Type: GrantFiled: September 18, 2020Date of Patent: May 9, 2023Assignee: DIC CorporationInventors: Masato Otsu, Jian-Jun Yuan, Minoru Tabuchi, Kaori Kawamura, Naoto Sakurai, Koichiro Matsuki, Yuichi Satokawa
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Patent number: 11618833Abstract: The present invention provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of ?1.5 to 7.0. The present invention also provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of ?1.0 to 6.5, and the ink composition has a water (H2O) content of 90 ppm or less measured with a Karl Fischer moisture meter. The present invention also provides a light conversion layer including a plurality of pixel units, wherein the plurality of pixel units include a pixel unit containing a cured product of the ink composition, and the light conversion layer is formed of the cured product of the ink composition. The present invention also provides a color filter including the light conversion layer.Type: GrantFiled: July 19, 2018Date of Patent: April 4, 2023Assignee: DIC CORPORATIONInventors: Sunao Yoshihara, Takayuki Miki, Hirotomo Sasaki, Ikuro Kiyoto, Minoru Tabuchi
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Publication number: 20220348476Abstract: A molybdenum sulfide powder according to the invention contains molybdenum disulfide having a 3R crystal structure. A heavy-metal adsorbent according to the invention contains molybdenum sulfide particles, and the molybdenum sulfide particles have a median diameter Dso of 10 nm to 1,000 nm obtained by a dynamic light scattering type particle diameter distribution measuring device. A photothermal conversion material according to the invention contains a material containing molybdenum sulfide particles and generates heat by absorbing light energy.Type: ApplicationFiled: September 24, 2020Publication date: November 3, 2022Applicant: DIC CorporationInventors: Hironobu OKI, Yusuke KANO, Tomoki DOHI, Seiji MIZUTA, Minoru TABUCHI, Jianjun YUAN, Masato OTSU
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Publication number: 20220056292Abstract: An ink composition that contains light-emitting nanocrystalline particles, a photopolymerizable component containing at least one photopolymerizable compound and having a Hansen solubility parameter ?p of 3.0 MPa0.5 or more, and a phosphite compound with a partial structure represented by the following formula (1). [In the formula (1), X1 to X3 independently denote an oxygen atom or a sulfur atom, R1 denotes an alkyl group, and * denotes a bonding arm.Type: ApplicationFiled: December 23, 2019Publication date: February 24, 2022Applicant: DIC CorporationInventors: Eiji Otsuki, Mariko Toshimitsu, Masahiro Kobayashi, Minoru Tabuchi, Takayuki Miki, Ikuro Kiyoto
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Publication number: 20210053037Abstract: Provided is a molybdenum sulfide that is ribbon-shaped and particularly suitable for a hydrogen generation catalyst. Disclosed are a ribbon-shaped molybdenum sulfide, in which 50 particles as measured by observation with a scanning electron microscope (SEM) have a shape of, on average, 500 to 10000 nm in length, 10 to 1000 nm in width, and 3 to 200 nm in thickness; a method for producing the ribbon-shaped molybdenum sulfide, including: (1) heating a molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; or (2) heating a molybdenum oxide at a temperature of 100 to 800° C. in the absence of a sulfur source, and then heating the molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; and a hydrogen generation catalyst including the ribbon-shaped molybdenum sulfide.Type: ApplicationFiled: September 18, 2020Publication date: February 25, 2021Applicant: DIC CorporationInventors: Masato Otsu, Jian-Jun Yuan, Minoru Tabuchi, Kaori Kawamura, Naoto Sakurai, Koichiro Matsuki, Yuichi Satokawa
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Publication number: 20210009826Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters ?d, ?p, and ?h that satisfy the following conditions: 16.0 MPa0.5??d<18.0 MPa0.5; 2.5 MPa0.5??p<5.5 MPa0.5; 2.5 MPa0.5??h<8.0 MPa0.Type: ApplicationFiled: October 25, 2018Publication date: January 14, 2021Applicant: DIC CorporationInventors: Takeo Kizaki, Minoru Tabuchi, Mariko Toshimitsu, Sunao Yoshihara, Ikuro Kiyoto
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Publication number: 20200224047Abstract: The present invention provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of ?1.5 to 7.0. The present invention also provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of ?1.0 to 6.5, and the ink composition has a water (H2O) content of 90 ppm or less measured with a Karl Fischer moisture meter. The present invention also provides a light conversion layer including a plurality of pixel units, wherein the plurality of pixel units include a pixel unit containing a cured product of the ink composition, and the light conversion layer is formed of the cured product of the ink composition. The present invention also provides a color filter including the light conversion layer.Type: ApplicationFiled: July 19, 2018Publication date: July 16, 2020Applicant: DIC CORPORATIONInventors: Sunao Yoshihara, Takayuki Miki, Hirotomo Sasaki, Ikuro Kiyoto, Minoru Tabuchi
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Publication number: 20190391418Abstract: The liquid crystal display device includes a pair of substrates consisting of first and second substrates arranged to face each other, a liquid crystal layer sandwiched between the first and second substrates, a pixel electrode disposed on at least one of the first and second substrates, a common electrode disposed on at least one of the first and second substrates, a light source section including a light-emitting element, and a photoconversion layer including pixels of three primary colors consisting of red (R), green (G), and blue (B). The photoconversion layer contains a light-emitting nanocrystal having an emission spectrum of any of red (R), green (G), and blue (B) upon receiving light emitted from the light source section on at least one of the three primary colors. The liquid crystal layer contains a liquid crystal composition containing a compound represented by General Formula (i) at 10% to 50% by mass.Type: ApplicationFiled: December 4, 2017Publication date: December 26, 2019Applicant: DIC CorporationInventors: Hidehiko Yamaguchi, Shinji Ogawa, Takayuki Miki, Minoru Tabuchi
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Patent number: 9409790Abstract: With a view to realizing a titanium oxide structure that has a large surface area and enables efficient transfer of ions and electrons by virtue of titanium oxide particles connected to one another, an object of the invention is to develop a material useful as an active material for dye-sensitized solar cells, and a process for producing the material; a porous titanium oxide composition and a process for producing the composition; and a photoelectric conversion element comprising the titanium oxide structure or porous titanium oxide composition.Type: GrantFiled: June 19, 2009Date of Patent: August 9, 2016Assignee: OSAKA GAS CO., LTD.Inventors: Hitoshi Nishino, Ryoichi Nishida, Hiroaki Matsuyoshi, Hiroki Sakamoto, Haruo Tomita, Hidekazu Hayama, Minoru Tabuchi, Nobuko Ichimura, Tomoe Deguchi
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Publication number: 20140011954Abstract: An object of the present invention is to provide a method for producing porous silica particles having a small particle diameter in high yield relative to a volume of a reaction solution. In order to achieve the object, the present invention provides a method for producing porous silica particles having pores on the surfaces thereof, the method including a step of adding a mixed solution (solution A) containing tetraalkoxysilane, alkylamine, and alcohol to a mixed solution (solution B) containing ammonia, alcohol, and water and performing a hydrolysis and condensation reaction of the tetraalkoxysilane to produce silica particles, and a step of removing the alkylamine from the silica particles.Type: ApplicationFiled: January 19, 2012Publication date: January 9, 2014Applicant: DIC CORPORATIONInventors: Hiroki Tokoro, Youzou Yamashina, Kiyofumi Takano, Tomoyo Shimogaki, Minoru Tabuchi, Tomoe Deguchi
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Publication number: 20110083737Abstract: With a view to realizing a titanium oxide composite that has a large surface area and that enables efficient transfer of electrons by covering a surface of rod-like or fibrous carbon with a covering layer comprising titanium oxide particles connected to one another, an object of the invention is to develop a material useful as an active material for dye-sensitized solar cells, and a process for producing the material; a porous titanium oxide-covered carbon material composition, and a process for producing the composition; and a photoelectric conversion element comprising the titanium oxide-covered carbon material or porous titanium oxide-covered carbon material composition.Type: ApplicationFiled: June 19, 2009Publication date: April 14, 2011Applicant: OSAKA GAS CO., LTD.Inventors: Hitoshi Nishino, Ryoichi Nishida, Hiroaki Matsuyoshi, Hiroki Sakamoto, Haruo Tomita, Hidekazu Hayama, Minoru Tabuchi, Nobuko Ichimura, Tomoe Deguchi
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Publication number: 20110079276Abstract: With a view to realizing a titanium oxide structure that has a large surface area and enables efficient transfer of ions and electrons by virtue of titanium oxide particles connected to one another, an object of the invention is to develop a material useful as an active material for dye-sensitized solar cells, and a process for producing the material; a porous titanium oxide composition and a process for producing the composition; and a photoelectric conversion element comprising the titanium oxide structure or porous titanium oxide composition.Type: ApplicationFiled: June 19, 2009Publication date: April 7, 2011Applicant: OSAKA GAS CO., LTD.Inventors: Hitoshi Nishino, Ryoichi Nishida, Hiroaki Matsuyoshi, Hiroki Sakamoto, Haruo Tomita, Hidekazu Hayama, Minoru Tabuchi, Nobuko Ichimura, Tomoe Deguchi