Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5097237 | Microstrip line type resonator | Tomokazu Komazaki, Katsuhiko Gunji, Norio Onishi, Ichiro Iwase | 1992-03-17 |
| 5015973 | Duplexer with an isolating circuit on a dielectric plate | Izumi Kawakami, Tomokazu Komazaki, Katsuhiko Gunji, Norio Onishi, Yoshimitsu Sakurai +1 more | 1991-05-14 |
| 5015974 | Isolating circuit and dielectric filter for use therein | Tomokazu Komazaki, Katsuhiko Gunji, Norio Onishi | 1991-05-14 |
| 4958234 | Distortion eliminating circuit | Hirohisa Yamaguchi | 1990-09-18 |
| 4896221 | Optical disc reproducing apparatus having speed-change reproduction mode | — | 1990-01-23 |
| 4891615 | Dielectric filter with attenuation pole | Tomokazu Komazaki, Katsuhiko Gunji, Norio Onishi, Yoshimitu Sakurai, Hiroyuki Horii | 1990-01-02 |
| 4864423 | Information recording disc and information signal recording apparatus therefor | Tadao Nagai, Hirohisa Yamaguchi | 1989-09-05 |
| 4841504 | Method and apparatus for recording an information signal on a rotary recording medium | Hirohisa Yamaguchi | 1989-06-20 |
| 4813034 | Optical disc recording apparatus with a light beam having a controllable quantity | — | 1989-03-14 |
| 4803677 | Rotary recording medium having a guide track and recording and reproducing apparatus therefor | Hirohisa Yamaguchi, Horoshi Usami, Tadao Nagai | 1989-02-07 |
| 4802159 | Information recording disc and information signal recording apparatus therefor | Tadao Nagai, Hirohisa Yamaguchi | 1989-01-31 |
| 4796097 | Optical disc recording apparatus for a color television signal | — | 1989-01-03 |
| 4766502 | Information signal recording apparatus | — | 1988-08-23 |
| 4754339 | Information recording disc pre-recorded with address and pseudo address signals | Tadao Nagai, Hirohisa Yamaguchi | 1988-06-28 |