Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655546 | Rotary indicating device | Chikao Nagasaka, Hiroyuki Kato, Hirofumi Ohno | 1987-04-07 |
SI
Shinichi Irifune
Overall (All Time): #3,971,646 of 4,157,543Top 100%
1
Patents All Time