Yamamoto Kagaku Gosei Co., Ltd.

Organization

Osaka, JP

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Naphthalocyanine compounds
- Patent number RE34480
- Issue date Dec 14, 1993
- Yamamoto Kagaku Gosei Co., Ltd.
- Tsunehito Eda
- 540 - Organic compounds
Information Patent Grant
Naphthalocyanine compounds
- Patent number 4,622,179
- Issue date Nov 11, 1986
- Yamamoto Kagaku Gosei Co., Ltd.
- Tsunehito Eda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Certain bis(benzoyl)pyridine compounds
- Patent number 4,523,018
- Issue date Jun 11, 1985
- Yamamoto Kagaku Gosei Co., Ltd.
- Yojiro Kumagae
- C07 - ORGANIC CHEMISTRY
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
Coloring agent and a composition including the same for coloring to...
- Patent number 4,218,432
- Issue date Aug 19, 1980
- Yamamoto Kagaku Gosei Co., Ltd.
- Koichi Watanabe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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

Yamamoto Kagaku Gosei Co., Ltd.

Organization

Patents Grantslast 30 patents

Naphthalocyanine compounds

Naphthalocyanine compounds

Certain bis(benzoyl)pyridine compounds

Oxidative process for the preparation of copper quinolinate

Pressure-and-heat-sensitive copying paper

Recording material

Process for the preparation of copper quinolinate

Coloring agent and a composition including the same for coloring to...

Lactones of quinoline carboxylic acids

Patents Applicationslast 30 patents

Trademarklast 30 trademarks