Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838710 | Static pressure gas bearing assembly | Sadamu Tozawa, Koichi Matsushita, Yutaka Maruyama | 1989-06-13 |
JO
Jiro Ohta
Overall (1989): #96,937 of 140,708Top 70%
1
Patents 1989