Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8731372 | Information playback apparatus and electronic pop advertising apparatus | Yasufumi Shinagawa, Koni Saito | 2014-05-20 |
| 8364008 | Information playback apparatus and electronic POP advertising apparatus | Yasufumi Shinagawa, Koni Saito | 2013-01-29 |
| 7509025 | Information playback apparatus and electronic POP advertising apparatus | Yasufumi Shinagawa, Koni Saito | 2009-03-24 |
| 7269332 | Information regenerating unit | Yasufumi Shinagawa, Koni Saito | 2007-09-11 |
| 7099568 | Information playback apparatus and electronic pop advertising apparatus | Yasufumi Shinagawa, Koni Saito | 2006-08-29 |
| 5999497 | Karaoke machine including playback reservation system | Koni Saito | 1999-12-07 |
| 4768772 | Copying apparatus with front loading paper supply cassette | Mamoru Umeki | 1988-09-06 |