Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |