Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627858 | Hot-water supply system | Satoshi Nomura, Hisayoshi Sakakibara, Eiji Takahashi, Tomohisa Yoshimi, Tomoaki Kobayakawa +1 more | 2003-09-30 |
| 6540015 | Heat exchanger and method for manufacturing the same | Norihide Kawachi, Ken Yamamoto, Takeshi Okinotani, Toshiya Kouga, Toshihiro Imai +3 more | 2003-04-01 |
| 6508073 | Hot water supply system with heat pump cycle | Shinya Noro, Hisayoshi Sakakibara, Tomoaki Kobayakawa, Michiyuki Saikawa | 2003-01-21 |