20 Utility Patents
#18 in Kosai
#34,467 in Japan
#154,850 in the World
Forward Citations = 166
Company Filing History:
Tokai Riki Mfg. Co., Ltd
where one patent can have more than one assignee
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#18 in Kosai
#34,467 in Japan
#154,850 in the World
Company Filing History:
Get your Inventor Badge Today