Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458728 | Turbulence member and heat exchanger using same, and water heater | Toshimitsu Nagasaka, Takaaki Nakagoshi | 2019-10-29 |
| 10197343 | Turbulence generator | Toshimitsu Nagasaka, Takaaki Nakagoshi | 2019-02-05 |