15 Utility Patents
#31 in Akashi
#52,254 in Japan
#241,572 in the World
Forward Citations = 234
Company Filing History:
Daiwa Fine Chemicals Co., Ltd.
Other
Ishihara Chemical Co., Ltd.
4. 2 out of 81

5. 1 out of 10,033

where one patent can have more than one assignee
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