Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413616 | Solar heat collector assembly | Koichi Takeishi, Mitsuhiro Shimada, Atsuyuki Katto | 1983-11-08 |
| 4377155 | Solar energy collector assembly | Saburo Nishiuma | 1983-03-22 |
| 4224984 | Finned tube useful for heat exchangers | Etsutaro Miyata | 1980-09-30 |