Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320434 | Swing ladder bearing | Hideo Fujihara, Hidenobu Magami, Yukio Sato | 1994-06-14 |
KI
Keizo Ishihara
Overall (All Time): #3,799,635 of 4,157,543Top 95%
1
Patents All Time