Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078377 | Ventilator that detects indoor and outdoor CO2 concentrations and ventilation control method | Kenta Okeya, Hidekazu Hirai | 2024-09-03 |
| 11486650 | Total heat exchange element, method of manufacturing total heat exchange element, and total heat exchanger | Hajime Sotokawa | 2022-11-01 |
| 7657162 | Hand dryer apparatus | Yasuyuki Itoigawa | 2010-02-02 |
| 7614160 | Hand drying apparatus | Takaki Kobayashi, Jun Nakamura | 2009-11-10 |
| 7596883 | Hand drying apparatus | — | 2009-10-06 |
| 5601100 | Washing apparatus | Kunihiko Kawakami, Yasunori Kurahashi, Takao Morisaki, Osamu Monma, Seiji Sato +6 more | 1997-02-11 |