PERMACHEM ASIA, LTD.

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Chuo-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charge-transfer material and process for producing the same, electr...
- Patent number 7,195,851
- Issue date Mar 27, 2007
- Yamanashi Electronics Co., Ltd.
- Yasuyuki Kiuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of dibromonitro compound
- Patent number 4,723,044
- Issue date Feb 2, 1988
- Permachem Asia, Ltd.
- Michio Watanabe
- C07 - ORGANIC CHEMISTRY

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Patents Applicationslast 30 patents

Information Patent Application
Charge-transfer material and process for producing the same, electr...
- Publication number 20060134539
- Publication date Jun 22, 2006
- PERMACHEM ASIA
- Yasuyuki Kiuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Charge-transfer material and process for producing the same, electr...
- Publication number 20040142261
- Publication date Jul 22, 2004
- PERMACHEM ASIA, LTD.
- Yasuyuki Kiuchi
- C07 - ORGANIC CHEMISTRY