186 Utility Patents
#60 in Tokyo
#300 in Japan
#2,521 in the World
Forward Citations = 908
Company Filing History:
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Sanraku-ocean Co., Ltd.
Other
4. 8 out of 773

5. 8 out of 21
Sanraku Incorporated
where one patent can have more than one assignee
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