Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335871 | Motor operation controller and insulation type bidirectional DC voltage converter | Toshiyuki Kaitani, Masahiro Kimata, Yoshitaka Ohnishi | 2002-01-01 |
| 5640400 | Mutual connecting apparatus between networks | Ryoichi Sato, Kouiti Matuo, Masahiko Tsukamoto, Ikuya Suwa, Hideto Naraki +2 more | 1997-06-17 |
| 5079490 | Spindle drive system of machine tool | Takahiro Hayashida | 1992-01-07 |