Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182410 | Plate type condenser | Kazuyuki Kobayashi, Hiroyuki Sumitomo | 1980-01-08 |
| 4182411 | Plate type condenser | Hiroyuki Sumitomo, Katsutoshi Fukami, Kazuyuki Kobayashi, Masafumi Doi, Kenzo Kawanishi | 1980-01-08 |