KT

Koichi Tokuda

NC Nippon Reinz Co.: 2 patents #4 of 25Top 20%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
Overall (All Time): #1,627,373 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6044537 Method of making a metal gasket Fumio Kishi 2000-04-04
5979035 Method of producing metal gasket Eiichi Tahara, Fumio Kishi 1999-11-09
4903842 Container Kazuo Yasuda, Kazuhiro Yoshida 1990-02-27