Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495341 | Supply and exhaust ventilation device | Daisuke Hashino, Taketo Yamamoto, Meitoku Okumura, Kouji Iio, Tetsuya Nagase | 2019-12-03 |
| 10337758 | Heat exchanger ventilator | Kouji Iio, Kenichi Ishiguro, Yasuhiro Suzuki, Toshihiko Hashimoto, Teruaki Yasunishi +1 more | 2019-07-02 |