Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598440 | Method of manufacturing heat exchanger | Toru Hisanaga, Hiroshi Nagura, Koji Takeda | 2020-03-24 |
| 9879919 | Heat exchanger and method of manufacturing same | Toru Hisanaga, Hiroshi Nagura, Koji Takeda | 2018-01-30 |