Kouki Tamura

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Poly (disulfonyl diazomethane) compound and positive-working chemic...
- Patent number 6,180,313
- Issue date Jan 30, 2001
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroto Yukawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(Disulfonyl diazomethane compounds)
- Patent number 6,153,733
- Issue date Nov 28, 2000
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroto Yukawa
- C07 - ORGANIC CHEMISTRY