Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746885 | Electromagnetic apparatus combined a pair of contactors into one unit | Takashi Tanaka | 1988-05-24 |
| 4734669 | Electromagnetic contactor | Kozo Maenishi, Takashi Tanaka, Youichi Nakanishi, Kenichi Tsuruyoshi | 1988-03-29 |