4 Utility Patents
#33 in Shibukawa
#192,628 in Japan
Forward Citations = 8
Company Filing History:
Denki Kagaku Kogyo Kabushiki Kaisha

where one patent can have more than one assignee
Get your Inventor Badge Today
#33 in Shibukawa
#192,628 in Japan
Company Filing History:

Get your Inventor Badge Today