Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457328 | Semiconductor light emitting device having strong directivity of light emission | Sumio Ishimatsu | 1995-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457328 | Semiconductor light emitting device having strong directivity of light emission | Sumio Ishimatsu | 1995-10-10 |