Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429454 | Gas sensor | Yusuke Watanabe, Shotaro NIIZUMA, Toshihiro Hirakawa | 2025-09-30 |
| 12153011 | Gas sensor | Shotaro NIIZUMA, Yusuke Watanabe, Toshihiro Hirakawa | 2024-11-26 |
| 11879864 | Metal terminal | Yusuke Watanabe, Shotaro NIIZUMA, Toshihiro Hirakawa | 2024-01-23 |
| 11815485 | Gas sensor | Shotaro NIIZUMA, Yusuke Watanabe, Toshihiro Hirakawa | 2023-11-14 |
| 11656151 | Sensor | Yusuke Watanabe, Shotaro NIIZUMA, Toshihiro Hirakawa, Kirari TAKAHASHI | 2023-05-23 |
| 11609206 | Gas sensor | Shotaro NIIZUMA, Yusuke Watanabe, Toshihiro Hirakawa | 2023-03-21 |
| 11604161 | Gas sensor | Shotaro NIIZUMA, Yusuke Watanabe, Toshihiro Hirakawa | 2023-03-14 |
| 11585781 | Gas sensor | Yusuke Watanabe, Shotaro NIIZUMA, Toshihiro Hirakawa | 2023-02-21 |
| 11573197 | Gas sensor with angled sealing element | Shotaro NIIZUMA, Yusuke Watanabe, Toshihiro Hirakawa | 2023-02-07 |