Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047444 | Damping stopper | — | 2021-06-29 |
| 8226350 | Fan apparatus | Tomo Hayashigaito, Kenji Iwamoto, Yoshihisa Kato, Hironobu Nishida, Manabu Miyakoda | 2012-07-24 |
| 8047803 | Fan apparatus | Hironobu Nishida, Tomo Hayashigaito, Kenji Iwamoto | 2011-11-01 |
| 7825550 | Brushless motor and fan unit | Takashi Nagamitsu, Yoshihisa Kato | 2010-11-02 |
| 7679230 | Brushless motor and fan unit | Takashi Nagamitsu, Yoshihisa Kato | 2010-03-16 |