Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113126 | Control device for electric car | Tatsusuke Nanzan, Hideo Obi, Noriaki Nakamoto, Mikio Ohta | 1992-05-12 |
| 4999561 | Variable-speed driving system | Atsushi Kaga | 1991-03-12 |