Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957159 | Aluminum heat exchanger provided with fins having hydrophilic coating | Susumu Inoue, Tatsuo Otsuka, Eizo Isoyama | 1990-09-18 |
| 4588025 | Aluminum heat exchanger provided with fins having hydrophilic coating | Takaichi Imai, Takeshi Yamada, Kunio Sakaue, Eizo Isoyama, Katsumi Tanaka | 1986-05-13 |