Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362931 | Sun following-up device for solar heat utilization apparatus | Kenji Yamada | 1982-12-07 |
| 4317444 | Solar heat utilization apparatus | — | 1982-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362931 | Sun following-up device for solar heat utilization apparatus | Kenji Yamada | 1982-12-07 |
| 4317444 | Solar heat utilization apparatus | — | 1982-03-02 |