Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078318 | Heat pump heating apparatus | Nobuo Kawai | 1992-01-07 |
| 4240264 | Interior unit of a split type air-conditioning apparatus | Minoru Nakada, Kenji Umezu, Yasuhiro Shinma, Yoshihiro Udagawa, Masaya Yamazaki +2 more | 1980-12-23 |