Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332950 | Driver circuit for long luminescence life display device and method of driving such device | Minoru Katsumata | 1994-07-26 |
| 5323457 | Circuit for suppressing white noise in received voice | Tatsuji Ehara, Akimasa Matsushita | 1994-06-21 |