Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415785 | Timer switch | Saichi Katumata, Toshio Tanaka, Hiroshi Omata | 1983-11-15 |
| 4406953 | Timer switch | Toshio Tanaka, Hiroshi Omata | 1983-09-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415785 | Timer switch | Saichi Katumata, Toshio Tanaka, Hiroshi Omata | 1983-11-15 |
| 4406953 | Timer switch | Toshio Tanaka, Hiroshi Omata | 1983-09-27 |