Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6911678 | Glass-sealed light-emitting diode | Iwao Shoji, Toshifumi Watanabe | 2005-06-28 |
| 5558420 | Flat lighting device | Yoji Oki, Koichi Hanaski | 1996-09-24 |
| 5418513 | Transformer core in transformer circuit | Kazuhiko Marumo, Takashi Moribayashi | 1995-05-23 |