Issued Patents All Time
Showing 25 most recent of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D516057 | Digital audio disk player with radio tuner and record player | — | 2006-02-28 |
| D514091 | Audio speaker | — | 2006-01-31 |
| D490397 | Digital audio disc player with radio, tape recorder and record player | Shigeru Hasegawa | 2004-05-25 |
| D451083 | Combined amplifier and tuner | Masafumi Ito, Hiroyuki Watanabe | 2001-11-27 |
| D447469 | Digital audio disc player | Masafumi Ito, Hiroyuki Watanabe, Yukio Iikura | 2001-09-04 |
| D444778 | Combined amplifier and tuner | Masafumi Ito, Hiroyuki Watanabe | 2001-07-10 |
| D444138 | Combined amplifier and tuner | Masafumi Ito, Yukio Iikura | 2001-06-26 |
| D442937 | Combined record player, radio tuner and amplifier | Masafumi Ito, Yukio Iikura, Hiroyuki Watanabe | 2001-05-29 |
| D442573 | Combined digital audio disc player, radio tuner and amplifier | Masafumi Ito, Yukio Iikura, Hiroyuki Watanabe | 2001-05-22 |
| D439236 | Combined digital audio disc player and tape recorder | Masafumi Ito, Hiroyuki Watanabe, Yukio Iikura | 2001-03-20 |
| D439240 | Speaker box | Masafumi Ito, Hiroyuki Watanabe, Yukio Iikura | 2001-03-20 |
| D431546 | Digital audio disc recorder | Masafumi Ito, Hiroyuki Watanabe | 2000-10-03 |
| D427990 | Digital audio disc player | Masafumi Ito, Hiroyuki Watanabe | 2000-07-11 |
| D427989 | Digital audio disc player | Masafumi Ito, Hiroyuki Watanabe | 2000-07-11 |
| D427579 | Digital audio disc player | Masafumi Ito, Hiroyuki Watanabe | 2000-07-04 |
| D423014 | Speaker box | Masafumi Ito, Hiroyuki Watanabe | 2000-04-18 |
| D401586 | Audio remote controller | Masafumi Ito, Haruki Takita, Hiroyuki Watanabe | 1998-11-24 |
| D394260 | Combined digital audio disc player and tape recorder | Masafumi Ito, Hiroyuki Watanabe, Yukio Iikura | 1998-05-12 |
| D391259 | Combined tuner and amplifier | Masafumi Ito, Shigeru Hasegawa, Hiroyuki Watanabe | 1998-02-24 |
| D391258 | Combined tuner and amplifier | Masafumi Ito, Shigeru Hasegawa, Hiroyuki Watanabe | 1998-02-24 |
| D390234 | Speaker box covered by a panel with a load horn | Masafumi Ito, Hiroyuki Watanabe, Yukio Iikura | 1998-02-03 |
| D389147 | Combined digital audio disc player, radio tuner, amplifier, and tape recorder | Masafumi Ito, Hiroyuki Watanabe, Yukio Iikura | 1998-01-13 |
| D387760 | Combined digital audio disc player, radio tuner, amplifier and tape recorder | Masafumi Ito, Haruki Takita, Hiroyuki Watanabe | 1997-12-16 |
| D387761 | Combined digital audio disc player, radio tuner, amplifier and tape recorder | Masafumi Ito, Hiroyuki Watanabe | 1997-12-16 |
| D385275 | Digital audio disc player | Masafumi Ito, Haruki Takita, Hiroyuki Watanabe, Yukio Iikura | 1997-10-21 |