Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086298 | Remote control signal processing device | Toshiyuki Katsu, Hidenori Hidaka | 1992-02-04 |
| 5038401 | Transmitter for remote control with operation switches having changeably displayed forms | — | 1991-08-06 |
| 4953132 | Memory circuit for and method of protecting memory data integrity during an output operation utilizing memory data | Toshiyuki Katsu | 1990-08-28 |