Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172762 | Heat exchanger | Toshiharu Shinmura, Nobuyasu Ando, Hisao Aoki | 1992-12-22 |
| 5119552 | Method for manufacturing header pipe of heat exchanger | Toshiharu Shinmura | 1992-06-09 |