Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9557042 | LED illumination system having a plurality of alterable light source elements | — | 2017-01-31 |
| 7531844 | Light emitting element | Akihisa Matsumoto, Toshinori Nakahara | 2009-05-12 |
| 5607227 | Linear light source | Masami Yasumoto | 1997-03-04 |
| 4941072 | Linear light source | Masami Yasumoto, Toshiyuki Sawasa | 1990-07-10 |