Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726072 | Double converter tuner | Makoto Hasegawa, Motoi Ohba, Tsutomu Shishido, Yasumasa Watanabe | 1988-02-16 |
| 4720688 | Frequency synthesizer | Makoto Hasegawa, Koei Misaizu | 1988-01-19 |
| 4679003 | Frequency divider circuit and frequency synthesizer using the same | Morikazu Sagawa, Yoshikazu Mori, Motoi Ohba, Mitsuo Makimoto | 1987-07-07 |
| 4661998 | Double superheterodyne tuner | Makoto Hasegawa, Motoi Ohba, Koh Kikuchi, Tsutomu Shishido | 1987-04-28 |
| 4651344 | VHF-UHF mixer having a balun | Makoto Hasegawa | 1987-03-17 |
| 4638180 | Frequency divider circuits | Morikazu Sagawa, Yoshikazu Mori, Motoi Ohba, Mitsuo Makimoto | 1987-01-20 |
| 4631506 | Frequency-adjustable coaxial dielectric resonator and filter using the same | Mitsuo Makimoto, Haruyoshi Endo | 1986-12-23 |
| 4592095 | Microwave FET mixer arranged to receive RF input at gate electrode | Hiroshi Ohnishi | 1986-05-27 |
| 4590443 | Transistor oscillator with compensating circuit for variable collector-base capacitance | Isao Ishigaki, Mitsuo Makimoto | 1986-05-20 |
| 4583064 | Strip-line resonator | Mitsuo Makimoto, Morikazu Sagawa, Yoshihiko Takayama | 1986-04-15 |
| 4553264 | Double superheterodyne tuner | Makoto Hasegawa, Hiroshi Ohnishi | 1985-11-12 |
| 4536724 | Voltage-controlled oscillator having three or more varactor diodes | Makoto Hasegawa, Mitsuo Makimoto, Yoshio Katayama | 1985-08-20 |
| 4506241 | Coaxial dielectric resonator having different impedance portions and method of manufacturing the same | Mitsuo Makimoto, Yukichi Aihara | 1985-03-19 |
| 4449108 | Band-stop filter for VHF-UHF band | Haruyoshi Endo, Mitsuo Makimoto, Ko KIKUCHI | 1984-05-15 |
| 4437076 | Coaxial filter having a plurality of resonators each having a bottomed cylinder | Mitsuo Makimoto, Haruyoshi Endo, Ko KIKUCHI | 1984-03-13 |
| 4423396 | Bandpass filter for UHF band | Mitsuo Makimoto | 1983-12-27 |
| 4419768 | Wideband tuner for VHF, CATV and UHF television signals | Mitsuo Saito | 1983-12-06 |
| 4412351 | Microwave mixing circuit | Hiroshi Onishi, Mitsuo Makimoto | 1983-10-25 |
| 4389624 | Dielectric-loaded coaxial resonator with a metal plate for wide frequency adjustments | Yukichi Aihara | 1983-06-21 |
| 4382238 | Band stop filter and circuit arrangement for common antenna | Mitsuo Makimoto | 1983-05-03 |
| 4371853 | Strip-line resonator and a band pass filter having the same | Mitsuo Makimoto | 1983-02-01 |
| 4361820 | Hybrid microwave circuit | Morikazu Sagawa, Mitsuo Makimoto | 1982-11-30 |
| 4340975 | Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit | Hiroshi Onishi | 1982-07-20 |
| 4315333 | Circuit arrangement for a wide-band VHF-UHF television double superheterodyne receiver | Hiroshi Onishi, Mitsuo Saito, Morikazu Sagawa | 1982-02-09 |
| 4292610 | Temperature compensated coaxial resonator having inner, outer and intermediate conductors | Mitsuo Makimoto | 1981-09-29 |