Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559560 | Ghost reduction circuit for a television receiver | Yuji Ito, Masafumi Kazumi | 1985-12-17 |
| 4476491 | Ghost reduction circuit for television receiver | Tomomitsu Kuroyanagi, Masafumi Kazumi | 1984-10-09 |
| 4363134 | Channel selection apparatus | Shigeo Matsuura | 1982-12-07 |
| 4270215 | Channel indicator | Shigeo Matsuura | 1981-05-26 |
| 4270219 | Channel selection apparatus tunable to destined frequency in short time | Shigeo Matsuura | 1981-05-26 |
| 4247953 | Tunable high-frequency input circuit | Mitsuhisa Shinagawa, Shigeo Matsuura | 1981-01-27 |
| 4233591 | Digital-to-analog converter of the pulse width modulation type | Shigeo Matsuura, Hiroshi Miyamoto, Eisaku Akutsu | 1980-11-11 |
| 4232397 | Automatic channel selection apparatus | Shigeo Matsuura | 1980-11-04 |