Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882528 | Digital servo system | Kanemasa Okuda, Keiji Sakamoto, Shunsuke Matsubara | 1989-11-21 |
| 4796352 | AC servomotor and a method of manufacturing the same | Shigeki Kawada, Yoichi Amemiya, Noboru Iwamatsu | 1989-01-10 |