Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840989 | Heat exchanger with partition wall interposed between different flow paths | Kazuo Kikawa, Naoko Kasuya | 2023-12-12 |
| 6192975 | Heat exchanger | Hideyuki Yanai, Tadashi Tsunoda, Tokiyuki Wakayama | 2001-02-27 |
| 6155338 | Heat exchanger | Tsutomu Takahashi, Hideyuki Yanai, Toshiki Kawamura, Tokiyuki Wakayama | 2000-12-05 |
| 5855112 | Gas turbine engine with recuperator | Takashi Bannai, Masahiko Izumi, Ken Ohya | 1999-01-05 |