Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6094482 | Broadcasting system, and charging system and method | Akihiro Tsukamoto | 2000-07-25 |
| 6057808 | FM multiplex broadcast receiving apparatus comprising detachable storing medium | — | 2000-05-02 |
| 6052388 | Information transmission/reception system | Hiroshi Okano, Naruhiko Nihira | 2000-04-18 |
| 5909184 | FM teletext receiving device with a detachable storage medium | — | 1999-06-01 |
| 5508470 | Automatic playing apparatus which controls display of images in association with contents of a musical piece and method thereof | Mayumi Ohya | 1996-04-16 |
| 5453568 | Automatic playing apparatus which displays images in association with contents of a musical piece | Mayumi Ohya | 1995-09-26 |
| 4972755 | Electronic musical instrument having automatic sound signal generation and a rhythm-play function based on manual operation | Hideo Yamaya, Tomohisa Ishikawa | 1990-11-27 |
| 4757736 | Electronic musical instrument having rhythm-play function based on manual operation | Hideo Yamaya, Tomohisa Ishikawa | 1988-07-19 |