13 Utility Patents
#52 in Kumagaya
#63,450 in Japan
#297,024 in the World
Forward Citations = 55
Company Filing History:



4. 1 out of 314
Dowa Electronics Materials Co., Ltd.
5. 1 out of 1
Hitchi Metals, Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today