Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933211 | Plate heat exchanger | Isamu Hiwatashi, Seiichi Matsumura, Kiyoshi Ishihama | 2018-04-03 |
| 9927186 | Plate heat exchanger | Isamu Hiwatashi, Kenji Kusunoki, Seiichi Matsumura, Kiyoshi Ishihama, Funabiki Takahisa | 2018-03-27 |
| 9772146 | Plate heat exchanger | Isamu Hiwatashi, Kenji Kusunoki, Kiyoshi Ishihama, Seiichi Matsumura, Yukiko Kushima | 2017-09-26 |