Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278580 | Thermal head | Hiroshi Hayashi | 1994-01-11 |
| 5245356 | Thermal printing head | Shigeo Ota, Masato Sakai, Masayoshi Yamaguchi, Takaya Nagahata | 1993-09-14 |
| 4381651 | Silencer in a refrigeration system | Koji Kubo, Hikaru Sugi | 1983-05-03 |
| 4324112 | Refrigeration system | Kenichi Fujiwara, Hikaru Sugi | 1982-04-13 |