Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266604 | Heat exchanger with fluid tanks made of synthetic resin | Seiji Sumikawa, Hiroshi Niizuma, Hiromichi Tonegawa, Yoichiro Furuya, Norio Takashima | 1981-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266604 | Heat exchanger with fluid tanks made of synthetic resin | Seiji Sumikawa, Hiroshi Niizuma, Hiromichi Tonegawa, Yoichiro Furuya, Norio Takashima | 1981-05-12 |