Patents by Inventor Kazuya Someya

Kazuya Someya 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: 11905433
    Abstract: An energy-sensitive composition that yields a cured product with excellent thermal resistance and crack resistance, a cured product of the composition, and a method of forming a cured product. The energy-sensitive composition includes a polysilane and a thermal base generator, in which the thermal base generator includes an ionic compound and a nonionic compound. An anion moiety in the ionic compound preferably includes at least one of an anion having an oxaxanthone skeleton, an anion having a ketoprofen skeleton, and an anion having a fluorenone skeleton.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: February 20, 2024
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kunihiro Noda, Hiroki Chisaka, Kazuya Someya, Dai Shiota
  • Patent number: 11718717
    Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component includes (I) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: August 8, 2023
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kunihiro Noda, Hiroki Chisaka, Kazuya Someya, Dai Shiota
  • Patent number: 11413682
    Abstract: To provide a method for producing surface-modified metal oxide fine particles, which can produce surface-modified metal oxide fine particles having excellent dispersion stability in dispersion liquids having various compositions; a method for producing improved metal oxide fine particles, suitable as a method for producing metal oxide fine particles to be surface-modified in production of the surface-modified metal oxide fine particles; surface-modified metal oxide fine particles which can be produced by the method for producing surface-modified metal oxide fine particles; and a metal oxide fine particle dispersion liquid including the surface-modified metal oxide fine particles. Surface-modified metal oxide fine particles are produced by a method including coating at least a part of surfaces of metal oxide fine particles with a carboxylic acid compound having a certain structure substituted with an amino group which may be cyclic, and/or carboxylate thereof.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: August 16, 2022
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Naozumi Matsumoto, Kazuya Someya, Dai Shiota
  • Publication number: 20220145011
    Abstract: An energy-sensitive composition that yields a cured product with excellent thermal resistance and crack resistance, a cured product of the composition, and a method of forming a cured product. The energy-sensitive composition includes a polysilane and a thermal base generator, in which the thermal base generator includes an ionic compound and a nonionic compound. An anion moiety in the ionic compound preferably includes at least one of an anion having an oxaxanthone skeleton, an anion having a ketoprofen skeleton, and an anion having a fluorenone skeleton.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 12, 2022
    Inventors: Kunihiro NODA, Hiroki CHISAKA, Kazuya SOMEYA, Dai SHIOTA
  • Patent number: 11267932
    Abstract: A curable composition which is capable of forming a cured product having satisfactory heat resistance and adhesion to a base material, and has satisfactory curability, a cured film obtained from a cured product of the curable composition, a display panel or an OLED light provided with the cured film, and a method for producing a cured product using the curable composition. The composition includes a curable compound and a cationic polymerization initiator, and contains a cationic polymerizable compound having, as the main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, and a salt including a gallium-containing anion as the cationic polymerization initiator.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: March 8, 2022
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kazuya Someya, Issei Suzuki, Koichi Misumi, Dai Shiota
  • Patent number: 11142629
    Abstract: A hydrogen barrier agent capable of imparting hydrogen barrier performance to various materials; a hydrogen barrier film forming composition including the hydrogen barrier agent; a hydrogen barrier film including the hydrogen barrier agent; a method for producing a hydrogen barrier film, which uses the composition; and an electronic element provided with the hydrogen barrier film. A salt compound having a specific structure including an imidazolyl group is used as the hydrogen barrier agent. The composition is prepared by blending the hydrogen barrier agent into the base material component. The hydrogen barrier film is formed using the hydrogen barrier film forming composition.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 12, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Jiro Hikida, Kazuya Someya, Koichi Misumi, Dai Shiota
  • Publication number: 20200392292
    Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component includes (I) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Inventors: Kunihiro NODA, Hiroki CHISAKA, Kazuya SOMEYA, Dai SHIOTA
  • Patent number: 10829662
    Abstract: A curable composition capable of forming a cured product having high refractive index and excellent bending resistance, a cured product of the curable composition, a cured film made of the cured product, a display panel provided with the cured film, and a method for producing a cured product using the above-mentioned curable composition. The curable composition includes a curable compound and a curing agent. The curable compound contains a curable compound including, as a main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, followed by mixing a metal oxide in which a capping agent is covalently bonded to a surface thereof.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: November 10, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Kazuya Someya, Hiroki Chisaka, Naozumi Matsumoto, Koichi Misumi, Dai Shiota
  • Patent number: 10767017
    Abstract: A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component including at least one of (I) and (II) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure, and (II) a mixture of a resin having a polysilane structure and a resin having a polysiloxane structure.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: September 8, 2020
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kunihiro Noda, Hiroki Chisaka, Kazuya Someya, Dai Shiota
  • Patent number: 10747113
    Abstract: A method of pattern formation. The method is capable of inhibiting a post-development residue from remaining on a support equipped with an electrode, and a method of producing a polysilane-polysiloxane resin precursor that is suitable for use in the method of pattern formation. The method of pattern formation includes forming a film of a silicon-containing composition on the support equipped with an electrode forming a film of a resin composition on the film of a silicon-containing composition, and forming the film of a resin composition into a pattern.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: August 18, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Dai Shiota, Hiroki Chisaka, Kunihiro Noda, Kazuya Someya
  • Publication number: 20200139433
    Abstract: To provide a method for producing surface-modified metal oxide fine particles, which can produce surface-modified metal oxide fine particles having excellent dispersion stability in dispersion liquids having various compositions; a method for producing improved metal oxide fine particles, suitable as a method for producing metal oxide fine particles to be surface-modified in production of the surface-modified metal oxide fine particles; surface-modified metal oxide fine particles which can be produced by the method for producing surface-modified metal oxide fine particles; and a metal oxide fine particle dispersion liquid including the surface-modified metal oxide fine particles. Surface-modified metal oxide fine particles are produced by a method including coating at least a part of surfaces of metal oxide fine particles with a carboxylic acid compound having a certain structure substituted with an amino group which may be cyclic, and/or carboxylate thereof.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 7, 2020
    Inventors: Naozumi MATSUMOTO, Kazuya SOMEYA, Dai SHIOTA
  • Patent number: 10640607
    Abstract: A curable composition having satisfactory curability, capable of forming a cured product having satisfactory heat resistance and adhesion to a base material, a cured film made of a cured product of the curable composition, a display panel provided with the cured film, and a method for producing a cured product using the above-mentioned curable composition. The curable composition includes a curable compound and a thermal cationic polymerization initiator, the curable compound contains a cationic polymerizable compound containing, as a main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, and the thermal cationic polymerization initiator contains a quaternary ammonium salt-type compound having a specific structure.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: May 5, 2020
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Kazuya Someya, Hiroki Chisaka, Naozumi Matsumoto, Koichi Misumi, Dai Shiota
  • Patent number: 10479879
    Abstract: A cationically polymerizable curable composition comprising a compound having a vinyloxy group bonded to an aromatic group which is easily cured upon light exposure and/or heating, a cured product of the curable composition, and a method of producing a cured product using the curable composition. In a cationically polymerizable curable composition that includes a compound having a vinyloxy group bonded to an aromatic group, a sulfonium salt having a specific structure is used as a curing agent. A cured product is produced by shaping the curable composition into a predetermined shape, and subjecting the shaped curable composition to light exposure and/or heating.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: November 19, 2019
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Kazuya Someya, Hiroki Chisaka, Naozumi Matsumoto, Dai Shiota
  • Publication number: 20190300674
    Abstract: A hydrogen barrier agent capable of imparting hydrogen barrier performance to various materials; a hydrogen barrier film forming composition including the hydrogen barrier agent; a hydrogen barrier film including the hydrogen barrier agent; a method for producing a hydrogen barrier film, which uses the composition; and an electronic element provided with the hydrogen barrier film. A salt compound having a specific structure including an imidazolyl group is used as the hydrogen barrier agent. The composition is prepared by blending the hydrogen barrier agent into the base material component. The hydrogen barrier film is formed using the hydrogen barrier film forming composition.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 3, 2019
    Inventors: Jiro HIKIDA, Kazuya SOMEYA, Koichi MISUMI, Dai SHIOTA
  • Patent number: 10364372
    Abstract: A composition capable of stably providing a high-quality siliceous film even under relatively low-temperature heating conditions, and a method of using the composition for forming a siliceous film. The composition includes a polysilazane and an imidazole group-containing compound represented by Formula (B).
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: July 30, 2019
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yasushi Fujii, Kunihiro Noda, Hiroki Chisaka, Kazuya Someya, Koichi Misumi, Dai Shiota
  • Publication number: 20190031818
    Abstract: A curable composition which is capable of forming a cured product having satisfactory heat resistance and adhesion to a base material, and has satisfactory curability, a cured film obtained from a cured product of the curable composition, a display panel or an OLED light provided with the cured film, and a method for producing a cured product using the curable composition. The composition includes a curable compound and a cationic polymerization initiator, and contains a cationic polymerizable compound having, as the main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, and a salt including a gallium-containing anion as the cationic polymerization initiator.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 31, 2019
    Inventors: Kazuya SOMEYA, Issei SUZUKI, Koichi MISUMI, Dai SHIOTA
  • Publication number: 20180334533
    Abstract: A curable composition having satisfactory curability, capable of forming a cured product having satisfactory heat resistance and adhesion to a base material, a cured film made of a cured product of the curable composition, a display panel provided with the cured film, and a method for producing a cured product using the above-mentioned curable composition. The curable composition includes a curable compound and a thermal cationic polymerization initiator, the curable compound contains a cationic polymerizable compound containing, as a main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, and the thermal cationic polymerization initiator contains a quaternary ammonium salt-type compound having a specific structure.
    Type: Application
    Filed: May 8, 2018
    Publication date: November 22, 2018
    Inventors: Kazuya SOMEYA, Hiroki CHISAKA, Naozumi MATSUMOTO, Koichi MISUMI, Dai SHIOTA
  • Publication number: 20180334586
    Abstract: A curable composition capable of forming a cured product having high refractive index and excellent bending resistance, a cured product of the curable composition, a cured film made of the cured product, a display panel provided with the cured film, and a method for producing a cured product using the above-mentioned curable composition. The curable composition includes a curable compound and a curing agent. The curable compound contains a curable compound including, as a main skeleton, a fused ring in which three or more rings including an aromatic ring are fused, followed by mixing a metal oxide in which a capping agent is covalently bonded to a surface thereof.
    Type: Application
    Filed: May 8, 2018
    Publication date: November 22, 2018
    Inventors: Kazuya SOMEYA, Hiroki CHISAKA, Naozumi MATSUMOTO, Koichi MISUMI, Dai SHIOTA
  • Publication number: 20180251626
    Abstract: A cationically polymerizable curable composition comprising a compound having a vinyloxy group bonded to an aromatic group which is easily cured upon light exposure and/or heating, a cured product of the curable composition, and a method of producing a cured product using the curable composition. In a cationically polymerizable curable composition that includes a compound having a vinyloxy group bonded to an aromatic group, a sulfonium salt having a specific structure is used as a curing agent. A cured product is produced by shaping the curable composition into a predetermined shape, and subjecting the shaped curable composition to light exposure and/or heating.
    Type: Application
    Filed: February 26, 2018
    Publication date: September 6, 2018
    Inventors: Kazuya SOMEYA, Hiroki CHISAKA, Naozumi MATSUMOTO, Dai SHIOTA
  • Publication number: 20180201807
    Abstract: A composition capable of stably providing a high-quality siliceous film even under relatively low-temperature heating conditions, and a method of using the composition for forming a siliceous film.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 19, 2018
    Inventors: Yasushi FUJII, Kunihiro NODA, Hiroki CHISAKA, Kazuya SOMEYA, Koichi MISUMI, Dai SHIOTA