Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143431 | Supply and exhaust ventilation device | Taketo Yamamoto, Meitoku Okumura, Kouji Iio, Yasuaki Shima, Tetsuya Nagase | 2021-10-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143431 | Supply and exhaust ventilation device | Taketo Yamamoto, Meitoku Okumura, Kouji Iio, Yasuaki Shima, Tetsuya Nagase | 2021-10-12 |