Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11456692 | Semiconductor device and motor control method | — | 2022-09-27 |
| 11088640 | Drive apparatus for oil-pump motor and drive control method for oil-pump motor | Kiyoshi Ishikawa | 2021-08-10 |
| 10530281 | Drive apparatus for oil-pump motor and drive control method for oil-pump motor | Kiyoshi Ishikawa | 2020-01-07 |
| 5555189 | Internal communications system for refrigerator and wiring structure thereof | Hisao Yamazato, Naoki Tani, Jyunzou Kasihara, Yasunari Uramoto | 1996-09-10 |
| 5485397 | Communication system | Hisao Yamazato, Naoki Tani, Jyunzou Kashihara, Yasunari Uramoto | 1996-01-16 |