Haruki Tsuruta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
1,1,4,4-tetraphenyl-1,3-butadiene derivative and electrophotographi...
- Patent number 4,751,163
- Issue date Jun 14, 1988
- Takasago Perfumery Co., Ltd.
- Toshimitsu Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY