Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D696665 | Communication terminal | Yuuki Kubota, Yosuke Shimizu, Naoki Ogishita | 2013-12-31 |
| D684153 | Information transmitter | — | 2013-06-11 |
| 7738671 | Headphone | Tomohiro Ito, Tomomi Hamada | 2010-06-15 |
| 7558398 | Headphones | Tomohiro Ito, Tomomi Hamada | 2009-07-07 |
| RE40094 | Computer | — | 2008-02-26 |
| D559837 | Headset | — | 2008-01-15 |
| D498739 | Disc player | — | 2004-11-23 |
| D482022 | Headphone | — | 2003-11-11 |
| 6636420 | Information processing device | Yukio Isogai, Kaoru Hayashi, Osamu Gomibuchi | 2003-10-21 |
| D466499 | Computer | — | 2002-12-03 |
| 6473023 | Remote control device for electronic equipment | Noriaki Takagi, Takayuki Kobayashi, Takeshi Horie | 2002-10-29 |
| D440550 | Disc player combined with radio receiver and tape recorder | — | 2001-04-17 |
| 6154538 | Portable telephone apparatus | — | 2000-11-28 |
| D415159 | Speaker box | — | 1999-10-12 |
| D413889 | Voice recorder | — | 1999-09-14 |