11 Utility Patents
#15 in Komatsu
#77,116 in Japan
#364,535 in the World
Forward Citations = 26
Company Filing History:
Hokuriku Seikei Industrial Co., Ltd.


4. 3 out of 57
Nippon Tungsten Co., Ltd.
5. 2 out of 832,718 patents
Other
where one patent can have more than one assignee
Get your Inventor Badge Today