Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11859916 | Flow path member for heat exchanger, and heat exchanger | Tatsuya AKAHANI, Tatsuo Kawaguchi | 2024-01-02 |
| 11629626 | Heat recovery device and heat recovery system | Ryushiro AKAISHI, Tatsuo Kawaguchi | 2023-04-18 |
| 11448465 | Heat exchanger | Tatsuo Kawaguchi, Yutaro FUMOTO | 2022-09-20 |
| 11242791 | Heat recovery device and heat recovery system with a thermoelectric module | Tatsuo Kawaguchi, Daisuke Kimura | 2022-02-08 |
| 11079182 | Heat exchanger | Tatsuo Kawaguchi, Takeshi Sakuma, Daisuke Kimura, Hiroshi Mizuno, Takafumi HAMADA | 2021-08-03 |
| 10837342 | Heat exchange component | Tatsuo Kawaguchi, Takeshi Sakuma | 2020-11-17 |
| 10494974 | Exhaust heat recovery device | Tatsuo Kawaguchi, Takeshi Sakuma, Hiroshi Mizuno, Daisuke Kimura | 2019-12-03 |
| 7609909 | Image density test chart and method for determining image density level | Nobuatsu Sasanuma | 2009-10-27 |
| 5625174 | Linear motor elevator | Hideki Ito | 1997-04-29 |