Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067121 | Scrambled broadcast system | — | 2000-05-23 |
| RE36509 | Television signal transmission and reception system with multi-screen display for tuning operation | — | 2000-01-18 |
| 5966186 | Digital broadcast receiving device capable of indicating a receiving signal strength or quality | Yasuyuki Nonaka | 1999-10-12 |
| 5537153 | Television signal transmission and reception system with multi-screen display for tuning operation | — | 1996-07-16 |
| 5361394 | Upstream signal control apparatus for cable television system | — | 1994-11-01 |
| 4868817 | Circuit for preventing a microcomputer from malfunctioning | — | 1989-09-19 |