16 Utility Patents
#9,520 in Tokyo
#49,095 in Japan
#228,090 in the World
Forward Citations = 69
Company Filing History:
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation
Nittetsu Plant Designing Corporation
4. 2 out of 99

5. 1 out of 45

where one patent can have more than one assignee
Get your Inventor Badge Today