Yoshihiro Hatano

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Oosaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxidative process for the preparation of copper quinolinate
- Patent number 4,420,616
- Issue date Dec 13, 1983
- Yamamoto Kagaku Gosei Co., Ltd.
- Seishi Ikegami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pressure-and-heat-sensitive copying paper
- Patent number RE31412
- Issue date Oct 11, 1983
- Yamamoto Kagaku Gosei Kabushiki Kaisha
- Yoshihiro Hatano
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Recording material
- Patent number 4,330,473
- Issue date May 18, 1982
- Yamamoto Kagaku Gosei Kabushiki Kaisha
- Yoshihiro Hatano
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for the preparation of copper quinolinate
- Patent number 4,316,026
- Issue date Feb 16, 1982
- Yamamoto Kagaku Gosei Co., Ltd.
- Yoshihiro Hatano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lactones of quinoline carboxylic acids
- Patent number 4,200,751
- Issue date Apr 29, 1980
- Yamamoto Kagaku Gosei Co., Ltd.
- Seiji Ikegami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS