Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32527 | FET microwave oscillator being frequency stabilized by capacitive reactance micro-strip stub line | Keiro Shinkawa, Masaki Noda | 1987-10-20 |
| 4491809 | Matching circuit for a pre-amplifier of SHF band television signal receiver | Masaki Noda, Keiro Shinkawa | 1985-01-01 |
| 4435688 | FET Microwave oscillator being frequency stabilized by capacitive reactance micro-strip stub line | Keiro Shinkawa, Masaki Noda | 1984-03-06 |
| 4417279 | FM Television signal receiving circuit | Keiro Shinkawa, Shigeo Matsuura, Masaki Noda, Masakazu Kondo | 1983-11-22 |
| 4307352 | Micro-strip oscillator with dielectric resonator | Keiro Shinkawa | 1981-12-22 |
| 4249263 | Mixer circuit | Keiro Shinkawa | 1981-02-03 |
| 4219779 | Self-oscillating mixer circuit | Keiro Shinkawa, Hiroji Shoyama, Mitsuhisa Shinagawa | 1980-08-26 |
| 4211977 | Mixer circuit arrangement | Keiro Shinkawa, Hiroji Shoyama | 1980-07-08 |
| 4187476 | SHF band oscillator circuit using FET | Keiro Shinkawa, Hiroji Shoyama | 1980-02-05 |