Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7592640 | Light emitting semiconductor apparatus | Dai Aoki | 2009-09-22 |
| 4703652 | Piezoelectric type liquid level sensor and fabricating method thereof | Akio Itoh, Sigeo Saitoh, Hideo Sobue | 1987-11-03 |