Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794845 | Flow control device and hot-water type heating apparatus employing the same | Koichi Ito, Yoshimitsu Inoue | 1998-08-18 |
| 5779141 | Heating apparatus | Koichi Ito, Yoshimitsu Inoue, Hikaru Sugi | 1998-07-14 |
| 5762266 | Heating apparatus | Koichi Ito, Yoshimitsu Inoue, Hikaru Sugi | 1998-06-09 |