Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187658 | Data transmission apparatus selecting efficient network or service class | Michio Kusayanagi, Jun Tanaka, Tomohiro Ishihara | 2007-03-06 |
| 6242870 | Light emitting device driving circuit | Hiroyuki Rokugawa | 2001-06-05 |
| 6078150 | Light-emitting element driving circuit and device using the same | Hiroyuki Rokugawa | 2000-06-20 |