Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101640 | Air conditioning apparatus, heat exchanger for use in the apparatus and apparatus control method | Toshihiko Fukushima, Seigo Miyamoto, Tomomi Umeda, Takatoshi Yamamoto | 1992-04-07 |
| 4211276 | Method of making fin elements for heat exchangers | Masaaki Itoh, Tsuneyoshi Takasuna, Yuichi Ishikawa, Hideyuki Kimura | 1980-07-08 |