Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959144 | Air heater with expansion containing electric heater arranged in stages | Yukihiko Shimonoma, Keiichi Ito, Yoshimune Yamada | 2005-10-25 |
| 6907192 | Hybrid hotair heater | Keiichi Ito, Toshiyuki Nomura, Yukihiko Shimonoma, Yoshimune Yamada | 2005-06-14 |
| 6882796 | Hybrid hot air heater | Keiichi Ito, Yukihiko Shimonoma, Yoshimune Yamada | 2005-04-19 |