19 Utility Patents
#430 in Chiba
#38,503 in Japan
#176,876 in the World
Forward Citations = 26
Company Filing History:
S. Grants Co., Ltd.
Kousokuya, Inc.
Other
4. 1 out of 19,558

5. 1 out of 1
Makoto Yoshioka
where one patent can have more than one assignee
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