Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7781855 | Optical device | — | 2010-08-24 |
| 6911678 | Glass-sealed light-emitting diode | Shigeo Fujisawa, Toshifumi Watanabe | 2005-06-28 |
| 4961518 | Cartridge container | Masataka Okushita | 1990-10-09 |