9 Utility and 1 Design Patents
#4,928 in Osaka
#95,363 in Japan
#456,432 in the World
rank by utility patentsForward Citations = 494
Company Filing History:


Otsuka Chemical Co., Ltd.
4. 1 out of 386
5. 1 out of 9
Sky Perfect Jsat Corporation
where one patent can have more than one assignee
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