Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873127 | Method of making heat transfer tube | Tatsuya Koizumi, Toshiyuki Kato, Junji Sotani, Masauki Momo, Shuichi Furuya | 1989-10-10 |
| 4766952 | Waste heat recovery apparatus | — | 1988-08-30 |