Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412549 | Heat transfer pipe for refrigerant mixture | Masaaki Itoh, Mari Uchida, Tadao Otani | 2002-07-02 |
| 6018963 | Refrigeration cycle | Masaaki Itoh, Mari Uchida, Toshihiko Fukushima, Tadao Otani | 2000-02-01 |
| 5744880 | Rotating motor and motor-driven vehicle | Toshihiko Fukushima, Suetato Shibukawa, Osamu Koizumi, Fumio Tajima, Syouichi Kawamata +1 more | 1998-04-28 |
| 5254323 | Industrial process for the separation and recovery of chlorine | Hiroyuki Itoh, Yoshitsugu Kono, Isao Kikuchi, Shinji Takenaka, Masanobu Ajioka | 1993-10-19 |
| 5000006 | Industrial process for the separation and recovery of chlorine | Hiroyuki Itoh, Yoshitsugu Kono, Isao Kikuchi, Shinji Takenaka, Masanobu Ajioka | 1991-03-19 |