6 Utility Patents
#7,232 in Osaka
#139,646 in Japan
#696,408 in the World
Forward Citations = 18
Company Filing History:

Daikan Kogyo Co., Ltd.
where one patent can have more than one assignee
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#7,232 in Osaka
#139,646 in Japan
#696,408 in the World
Company Filing History:

Get your Inventor Badge Today