Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853735 | Receiver and portable communication device | Yoshio Imahori, Isao Fushimi | 2005-02-08 |
| 6757403 | Electroacoustic transducers | Tomonari Suzuki | 2004-06-29 |
| D436548 | Audible signal for alarms | Mitsuhiro Masuda | 2001-01-23 |
| 6025856 | Magnetic indication sheet printing method and magnetic indication sheet printing apparatus | Masamitsu Ozawa, Hisashi Masuda | 2000-02-15 |
| 5979774 | Magnetic display erasing apparatus including a plurality of magnets | — | 1999-11-09 |
| 5787619 | Magnetic display erasing apparatus | — | 1998-08-04 |