Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643472 | Air-conditioner for vehicle | Saburo Sakamoto, Shinichirou Hirai, Masashi Watanabe | 2017-05-09 |
| 9487059 | Vehicle air conditioner | Saburo Sakamoto, Shinichirou Hirai | 2016-11-08 |
| 9266406 | Air-conditioner for vehicle | Masahiko Morikawa, Koichi Aoishi | 2016-02-23 |
| 4374727 | Electrostatic sorting apparatus | Takeo Takahashi | 1983-02-22 |