Susumu Ohtsuka

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Takarazuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing chromone compound
- Patent number 7,094,914
- Issue date Aug 22, 2006
- Sumitomo Chemical Company, Limited
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 1-chloro-4-arylbutane
- Patent number 6,861,566
- Issue date Mar 1, 2005
- Sumitomo Chemical Company, Limited
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.beta.-hydroxyketone and its production
- Patent number 5,101,076
- Issue date Mar 31, 1992
- Sumitomo Chemical Company, Limited
- Mitsunori Hiratsuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Beta-hydroxyketone and its production
- Patent number 5,041,679
- Issue date Aug 20, 1991
- Sumitomo Chemical Company, Limited
- Mitsunori Hiratsuka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20210273172
- Publication date Sep 2, 2021
- Sumitomo Chemical Company, Limited
- Hidenobu KAKIMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for producing chromone compound
- Publication number 20060217565
- Publication date Sep 28, 2006
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing chromone compound
- Publication number 20050085664
- Publication date Apr 21, 2005
- SUMITOMO CHEMICAL COMPANY, LMITED
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing 1-chloro-4-arylbutane
- Publication number 20040097763
- Publication date May 20, 2004
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY