Ken Takamatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cyclic disulfide compound, process of producing the same and optica...
- Patent number 6,995,276
- Issue date Feb 7, 2006
- Hoya Corporation
- Tsuyoshi Okubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thiol compound, method for producing the same and optical product m...
- Patent number 6,706,894
- Issue date Mar 16, 2004
- Hoya Corporation
- Tsuyoshi Okubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Episulfide compound, method for producing the same and optical prod...
- Patent number 6,696,540
- Issue date Feb 24, 2004
- Hoya Corporation
- Tsuyoshi Okubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Expression vectors encoding cardionatrin and cardiodilatin
- Patent number 4,851,349
- Issue date Jul 25, 1989
- Mitsubishi Chemical Industries Limited
- Shigetada Nakanishi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Antireflective Laminate
- Publication number 20210284862
- Publication date Sep 16, 2021
- Mitsui Chemicals, Inc.
- Takayuki HANAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Episulfide compound, method for producing the same and optical prod...
- Publication number 20030144431
- Publication date Jul 31, 2003
- Hoya Corporation
- Tsuyoshi Okubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thiol compound, method for producing the same and optical product m...
- Publication number 20030114630
- Publication date Jun 19, 2003
- Hoya Corporation
- Tsuyoshi Okubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...