Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050328 | Heat exchanger and air conditioner using same | Naoki Shikazono, Toshio Hatada, Masaaki Itoh, Hideyuki Kimura, Kensaku Oguni +4 more | 2000-04-18 |
| 4365667 | Heat exchanger | Toshio Hatada, Takao Senshu, Akira Arai, Fumio Harada, Atsushi Matsuzaki +2 more | 1982-12-28 |
| 4300629 | Cross-fin tube type heat exchanger | Toshio Hatada, Takao Senshu, Akira Arai, Fumio Harada, Atsushi Matsuzaki +2 more | 1981-11-17 |