Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858879 | Mount | Yasuo Miyamoto, Keiichi Uchiyama | 1989-08-22 |
| 4834349 | Vibration preventing apparatus using fluid | Toru Sasaki | 1989-05-30 |
KA
Katsuyoshi Arai
Overall (1989): #23,115 of 140,708Top 20%
2
Patents 1989