Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214323 | Linear motor with reduced cogging | Hiroshi Ishii, Masayoshi Tsunezawa, Masaaki Ozaki | 1993-05-25 |
| 5066897 | Linear driving apparatus | Masayoshi Tsunezawa | 1991-11-19 |
| 5032746 | Linear motor with driving device | Hiroshi Ishii, Masayoshi Tsunezawa, Masaaki Ozaki | 1991-07-16 |
| 4952011 | Moving apparatus for optical systems | Hiroshi Ishii, Hiroyuki Sawai | 1990-08-28 |