Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169461 | High-frequency oscillating circuit | Makoto Sakakura, Takeshi Miura, Hiroaki Kosugi, Kaoru Ishida | 2001-01-02 |
| 5207270 | Fin-tube heat exchanger | Shoichi Yokoyama, Hitoshi Motegi, Osamu Aoyagi | 1993-05-04 |
| 5203403 | Fin-tube heat exchanger | Shoichi Yokoyama, Hitoshi Motegi | 1993-04-20 |