3 Utility Patents
#70 in Niwa-gun
#236,877 in Japan
Forward Citations = 0
Company Filing History:

Ngk Optoceramics Co., Ltd.
Ngk Ceramic Device Co., Ltd.
4. 1 out of 2
Ngk Printer Ceramics Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today