Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092518 | Hot-air type heater | Mituharu Tomioka, Tadashi Yamazaki, Hiroo Oshima, Mitsuhiro Imajima | 1992-03-03 |
| 4265614 | Combustion apparatus | Hiromi Ohta, Yoshiyuki Ushirokajitani | 1981-05-05 |