Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1027907 | Grille for speaker | Kenta Ioku | 2024-05-21 |
| D890721 | Speaker | — | 2020-07-21 |
| D882549 | Speaker | — | 2020-04-28 |
| 10521183 | Control terminal device and audio system control method that displays a source selection screen with an area image background | Akie Hinokio, Kazuya Muchikabe, Akihiko Suyama, Keisuke Tsukada, Shinichiro Kato | 2019-12-31 |
| 10508586 | Air-cooled engine | Eishin Nakashima, Kiyoharu Kimoto, Mineo Takasaki | 2019-12-17 |
| D789326 | Speaker | Akie Hinokio | 2017-06-13 |
| D768109 | Speaker | — | 2016-10-04 |
| 9316142 | Spark ignition engine | Hiroshi Inoue, Yutaka Teruumi, Hiroyuki Tsuda | 2016-04-19 |
| 7523726 | Air-cooled V-shaped engine | Eishin Nakashima, Kiyonobu Iida, Hiroyuki Tsuda, Akiyoshi Morikawa, Noriaki Kobayashi +5 more | 2009-04-28 |
| 7488884 | Keyboard musical instrument having sloped top surface | Tomonori Ichikawa | 2009-02-10 |
| D565641 | Piano | Yoshihiro Katsumata | 2008-04-01 |
| D545881 | Electric contrabass | — | 2007-07-03 |
| D518505 | Automatic performance controller for piano | — | 2006-04-04 |
| D499755 | Electronic piano | — | 2004-12-14 |
| D499443 | Electronic piano | — | 2004-12-07 |
| D488184 | Piano | — | 2004-04-06 |
| D431588 | Electronic keyboard musical instrument | — | 2000-10-03 |
| D406860 | Electronic percussion instrument | — | 1999-03-16 |
| D387376 | Pad for electronic drum | — | 1997-12-09 |
| D386780 | Pad for electronic drum | — | 1997-11-25 |
| D353611 | Electronic drum | — | 1994-12-20 |
| D350762 | Electronic drum | — | 1994-09-20 |
| 4920394 | Photo-sensing device with S-shaped response curve | Noboru Yukami, Mitsusuke Ikeda, Mikihiko Nisihtani | 1990-04-24 |
| 4245950 | Turbine rotorconstructions | Koki Shiohata, Fumio Fujisawa, Kazuo Sato, Sho Kusumoto, Katsukuni Hisano | 1981-01-20 |