Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836088 | Motor driving circuit | — | 2004-12-28 |
| 6744609 | Motor control circuit having motor protective circuit | Masaaki Tanaka, Hiroaki Nakaya, Shuichi Nagaoka, Isao Takagi | 2004-06-01 |
| 6288506 | Submergence detection power-window apparatus | — | 2001-09-11 |
| 6060794 | Power window device and a control device used for the same | Isao Takagi, Shuichi Nagaoka | 2000-05-09 |