Issued Patents 1994
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 (1994): #106,309 of 165,921Top 65%
1
Patents 1994