Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242033 | Semiconductor device using LED chip | Shinji Isokawa | 2007-07-10 |
| 7128444 | Light emitting diode lamp | Shinji Isokawa | 2006-10-31 |
| 6392294 | Semiconductor device with stable protection coating | — | 2002-05-21 |
| 5564819 | LED lamp and arrangement for mounting LED lamps on a substrate | — | 1996-10-15 |