39 Utility Patents
#2,817 in Tokyo
#12,588 in Japan
#59,898 in the World
Forward Citations = 241
Company Filing History:



4. 3 out of 3,540
Nippon Steel Corporation
5. 2 out of 66
Nippon Steel & Sumikin Stainless Steel Corporation
where one patent can have more than one assignee
Get your Inventor Badge Today