Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349463 | Optical radio repeater with signal quality detection | Kazutoshi Hirohashi, Hiroshi Horii, Hideo Koike, Yoshiaki Yunoki, Tetsuo Fukasawa +7 more | 1994-09-20 |
| 5034997 | Communication system for data transmission and reception using radio wave and optical transmission of message signals | — | 1991-07-23 |
| 4941150 | Spread spectrum communication system | — | 1990-07-10 |
| 4864318 | Antenna device for a system including cordless apparatuses a cable with built in antenna having continuously repeated pattern conductors | Shizuyoshi Satoh, Kenichi Urushibata, Tasuko Koizumi, Noriyuki Tago, Fusao Muta | 1989-09-05 |
| 4667318 | Data producing device in a signal reproducing apparatus | Hiroyuki Sugiyama, Makoto Komura, Isao Masuda, Kazunori Nishikawa | 1987-05-19 |
| 4596981 | Synchronizing signal detecting circuit in a digital signal transmitting system | Shoji Ueno, Kazunori Nishikawa, Isao Masuda, Makoto Komura | 1986-06-24 |
| 4561083 | Memory circuit write-in system | Kazunori Nishikawa, Isao Masuda, Shoji Ueno, Makoto Komura, Nobuaki Takahashi | 1985-12-24 |
| 4516163 | Digital information signal recording system | Isao Masuda, Nobuaki Takahashi, Kazunori Nishikawa, Shoji Ueno | 1985-05-07 |
| 4509155 | Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits | Isao Masuda, Kazunori Nishikawa, Makoto Komura | 1985-04-02 |
| 4414668 | Apparatus for reproducing information signals recorded on a recording medium | — | 1983-11-08 |
| 4186281 | Multichannel record disc reproducing apparatus | Masao Kasuga, Nobuaki Takahashi, Fujio Suzuki | 1980-01-29 |