Toshiyuki Yasuda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing bromofluorenes
- Patent number 6,858,764
- Issue date Feb 22, 2005
- JFE Chemical Corporation
- Tetsuo Hachiya
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
BLUE-LIGHT-EMITTING ELEMENT COMPRISING POLYIMIDE
- Publication number 20090267508
- Publication date Oct 29, 2009
- JFE CHEMICAL CORPORATION
- Masatoshi Hasegawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for preparing bromofluorenes
- Publication number 20030065226
- Publication date Apr 3, 2003
- ADCHEMCO Corporation
- Tetsuo Hachiya
- C07 - ORGANIC CHEMISTRY