Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189564 | Magnetic recording/reproducing method and apparatus | Nobutaka Amada, Takaharu Noguchi, Hiroyuki Kimura, Masaharu Kobayashi, Takao Arai +1 more | 1993-02-23 |
| 5075803 | Signal discriminating device for VTR having expanded dynamic range | Eiji Moro, Hitoshi Akamine, Hiroyuki Torii | 1991-12-24 |
| 4786986 | Magnetic recording and reproducing apparatus | Fumihiko Yamanushi, Atsushi Yoshioka, Katsuyuki Watanabe, Michio Masuda | 1988-11-22 |
| 4758903 | Apparatus for recording and reproducing video signal and digital signal other than video signal | Takaharu Noguchi, Hiroyuki Kimura, Masaharu Kobayashi, Yasufumi Yunde, Takao Arai +1 more | 1988-07-19 |
| 4743977 | VTR having magnetic-head array capable of recording/reproducing signals of a plurality of recording systems | Atsushi Yoshioka, Kazunori Kotani, Michio Masuda, Yasufumi Yumde, Takao Aria | 1988-05-10 |
| 4724407 | Integrated filter circuit having switchable selected parallel filter paths | Isao Fukushima, Yoshinori Okada, Mitsuru Kudo, Takashi Kubota | 1988-02-09 |
| 4713700 | A recording circuit having means to automatically set the recording current of a magnetic recording head | Kazuyoshi Kuwahara, Isao Fukushima, Kenji Kano | 1987-12-15 |
| 4691246 | Apparatus for multiplex recording and reproduction of audio and video signals | Yoshinori Okada, Isao Fukushima, Susumu Otsuka | 1987-09-01 |
| 4667168 | Integrated circuit with a phase-locked loop | Makoto Shiomi, Isao Fukushima, Eiji Moro, Shigeaki Kanenari | 1987-05-19 |
| 4667120 | Integrated filter circuit with variable frequency characteristics | Yoshinori Okada, Isao Fukushima, Kenji Kano | 1987-05-19 |
| 4647960 | Vertical contour emphasis de-emphasis circuit | Yasufumi Yunde, Kazunori Kotani, Isao Fukushima, Kenji Kano | 1987-03-03 |
| 4607293 | Magnetic recording and reproduction system | Yoshinori Okada, Isao Fukushima | 1986-08-19 |
| 4591924 | Multiplex magnetic recording and reproduction system | Yoshinori Okada, Isao Fukushima, Teizo Tamura | 1986-05-27 |
| 4591798 | FM signal demodulation circuit | Yasunori Kobori, Isao Fukushima, Makoto Shiomi, Kenji Kano | 1986-05-27 |
| 4510530 | Signal reproducing circuit for a video tape recorder | Akira Shibata, Jun Yamada, Katashi Hazama | 1985-04-09 |
| 4497004 | Picture reproducing apparatus in a helical scanning video tape recorder | Akira Shibata, Makoto Konosu, Teizo Tamura, Koichi Hirose, Noboru Kojima +1 more | 1985-01-29 |
| 4466026 | Record/reproduce circuit for VTR | Akira Shibata, Noboru Kojima, Keiichi Komatsu, Teizo Tamura, Makoto Konosu +1 more | 1984-08-14 |