Yoshiyuki Matsuoka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water purifier
- Patent number 6,641,717
- Issue date Nov 4, 2003
- Mitsubishi Rayon Co., Ltd.
- Masaaki Okano
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biphenyl derivative and production and use thereof
- Patent number 5,032,685
- Issue date Jul 16, 1991
- Tsumura Juntendo, Inc.
- Yoshiyuki Matsuoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel biphenyl derivative and production and use thereof
- Patent number 4,962,211
- Issue date Oct 9, 1990
- Tsumura & Co.
- Yoshiyuki Matsuoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Biphenyl derivative useful in the treatment of liver diseases
- Patent number 4,904,694
- Issue date Feb 27, 1990
- Tsumura & Co.
- Yoshiyuki Matsuoka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Water purifier
- Publication number 20030062300
- Publication date Apr 3, 2003
- Masaaki Okano
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Scale indication apparatus and flow meter having the same
- Publication number 20020020226
- Publication date Feb 21, 2002
- Kunio Kido
- G01 - MEASURING TESTING