Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933768 | Sound reproducer | Ryuichi Ogawa, Masaya Tanno, Fumio Tosaka, Hirofumi Okada, Takayuki Imaida | 1990-06-12 |
| 4916741 | FM/FMX stereophonic receiver | — | 1990-04-10 |
| 4914680 | Signal distinction circuit | Masaya Tanno | 1990-04-03 |
| 4905283 | Surround decoder | Ryuichi Ogawa, Masaya Tanno, Fumio Tosaka | 1990-02-27 |
| 4864637 | FMX stereophonic broadcast receiver | Noboru Usui, Kanji Tanaka, Ryuichi Ogawa, Kazuhisa Ishiguro, Masashi Arai | 1989-09-05 |
| 4852167 | FMX stereophonic receiver | Noboru Usui, Kanji Tanaka, Ryuichi Ogawa, Kazuhisa Ishiguro, Masashi Arai | 1989-07-25 |
| 4835017 | Liquid composition for forming silica-based coating film | Muneo Nakayama, Akira Hashimoto, Toshihiro Nishimura | 1989-05-30 |
| 4825444 | Laser emission material | Nobuo Johna, Takeshi Kawabe, Masayoshi Nakamura | 1989-04-25 |
| 4809328 | FM/FMX stereophonic receiver | Noboru Usui, Kanji Tanaka, Ryuichi Ogawa, Kazuhisa Ishiguro, Masashi Arai | 1989-02-28 |
| 4793862 | Silica-based antimony containing film-forming composition | Muneo Nakayama, Akira Hashimoto, Toshihiro Nishimura | 1988-12-27 |