16 Utility Patents
#3,127 in Yokohama
#49,144 in Japan
#228,670 in the World
Forward Citations = 99
Company Filing History:


Tanaka Kikinzoku Kogyo K.k.
4. 1 out of 88
Nippon Steel & Sumikin Chemical Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today