Toshio Obara

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Kawaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal of hydroxy-phenylaze and hydroxy-naphthylazo compounds as nea...
- Patent number 4,977,249
- Issue date Dec 11, 1990
- Hodogaya Chemical Co., Ltd.
- Yuto Matsumoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Xanthene derivative and a production process of the same
- Patent number 4,749,796
- Issue date Jun 7, 1988
- Hodogaya Chemical Co., Ltd.
- Hideyuki Sensui
- C07 - ORGANIC CHEMISTRY
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Fluoran compounds
- Patent number 4,594,601
- Issue date Jun 10, 1986
- Hodogaya Chemical Co., Ltd.
- Mitsutoshi Anzai
- C07 - ORGANIC CHEMISTRY
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Heat sensitive record material
- Patent number 4,482,905
- Issue date Nov 13, 1984
- Hodogaya Chemical Co., Ltd.
- Kazuo Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat sensitive record sheet
- Patent number 4,364,999
- Issue date Dec 21, 1982
- Hodogaya Chemical Co., Ltd.
- Katsuichi Motohashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS