RI

Ryozo Isomura

SI Sankin Industry: 1 patents #5 of 23Top 25%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,926,238 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4824373 Swaged metal denture base Minoru Okada, Yoshiaki Shida, Tomio Nishikawa, Isamu Kato, Kazuyuki Nakano 1989-04-25