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Toshihiko Umaba
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Takaishi, JP
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last 30 patents
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Patent Grant
Method of increasing the dynamical strength of glass container
Patent number
4,961,976
Issue date
Oct 9, 1990
Dainippon Ink and Chemicals, Inc.
Yutaka Hashimoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of increasing the dynamical strength of glass container
Patent number
4,891,241
Issue date
Jan 2, 1990
Dainippon Ink and Chemicals, Inc.
Yutaka Hashimoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Fluorine-containing resin composition having low refractive index
Patent number
4,884,866
Issue date
Dec 5, 1989
Dainippon Ink and Chemicals, Inc.
Yutaka Hashimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light-sensitive composition with fluorine containing acrylate or me...
Patent number
4,822,713
Issue date
Apr 18, 1989
Fuji Photo Film Co., Ltd.
Akira Nishioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fluorine-containing resin composition having low refractive index
Patent number
4,786,658
Issue date
Nov 22, 1988
Dainippon Ink and Chemicals, Inc.
Yutaka Hashimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluorine-containing aminosulfonate
Patent number
4,431,595
Issue date
Feb 14, 1984
Dainippon Ink and Chemicals, Inc.
Yutaka Hashimoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Powdery fire-extinguishing agent, and process for its preparation
Patent number
4,346,012
Issue date
Aug 24, 1982
Dainippon Ink and Chemicals, Inc.
Toshihiko Umaba
A62 - LIFE-SAVING FIRE-FIGHTING