Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019733 | AC generator | Hajime Tabata, Toshikazu Kawakami | 1991-05-28 |
| 4940421 | Water-proof electrical connector | Sumitaka Ogawa, Minoru Sano, Masahiro Sakano | 1990-07-10 |
| 4932875 | Multipolar connector | Sumitaka Ogawa | 1990-06-12 |