Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346262 | Exhaust unit | — | 2022-05-31 |
| 11156275 | Drive device and exhaust heat recovery device | Hiroki Yamaguchi | 2021-10-26 |
| 10724416 | Exhaust heat recovery device | Hiromi Ishikawa, Naohiro Takemoto | 2020-07-28 |
| 10605207 | Exhaust heat recovery device | Kunikazu Shirai, Naohiro Takemoto | 2020-03-31 |
| 10533479 | Valve apparatus, and exhaust heat recovery device | Hiromi Ishikawa | 2020-01-14 |
| 10508574 | Integrated exhaust heat recovery device | Ryuji Asai | 2019-12-17 |
| 10480379 | Exhaust heat recovery device including engagement portion configured to rotate valve | Ryuji Asai, Arata Kobayashi | 2019-11-19 |
| 10465800 | Valve device with axis through its tubular portion | Ryuji Asai | 2019-11-05 |
| 10267566 | Heat exchanger | Hiromi Ishikawa | 2019-04-23 |
| 10087813 | Heat exchanger | Hisayuki Kato | 2018-10-02 |
| 9702292 | Exhaust heat recovery device | Arata Kobayashi | 2017-07-11 |
| 9261005 | Exhaust gas heat recovery device | Hisayuki Kato | 2016-02-16 |
| 8935914 | Exhaust device | Masatoshi Kato | 2015-01-20 |
| 8857164 | Exhaust manifold | — | 2014-10-14 |