Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8809659 | Keyboard device for electronic musical instrument | Kenichi Nishida, Shunsuke Ichiki, Hiroshi Harimoto, Shin Yamamoto | 2014-08-19 |
| 8809660 | Keyboard device for electronic musical instrument | Kenichi Nishida, Shunsuke Ichiki, Hiroshi Harimoto, Shin Yamamoto | 2014-08-19 |
| 8802952 | Keyboard device for electronic musical instrument | Kenichi Nishida, Shunsuke Ichiki, Hiroshi Harimoto, Shin Yamamoto | 2014-08-12 |
| 8637755 | Keyboard device for electronic musical instrument | Kenichi Nishida, Shunsuke Ichiki, Hiroshi Harimoto, Shin Yamamoto | 2014-01-28 |
| 8299344 | Key and keyboard apparatus | Hiroyasu Abe | 2012-10-30 |
| 7952011 | Key and keyboard apparatus | Hiroyasu Abe | 2011-05-31 |
| 7897860 | Keyboard apparatus | Mitsuru Kitajima | 2011-03-01 |
| 7858863 | Electronic musical instrument keyboard apparatus | — | 2010-12-28 |
| 7772474 | Keyboard device with an anti-floating part for electronic musical instrument | — | 2010-08-10 |
| 7767892 | Keyboard apparatus for electronic musical instrument | — | 2010-08-03 |
| 7750222 | Keyboard apparatus of electronic musical instrument | — | 2010-07-06 |
| 7709718 | Electronic musical instrument keyboard apparatus | — | 2010-05-04 |
| 7709719 | Keyboard apparatus for electronic musical instrument | — | 2010-05-04 |
| 7696424 | Keyboard apparatus of electronic musical instrument | Araki Katsuhiro | 2010-04-13 |
| 7652207 | Key structure and keyboard apparatus | Kenichi Nishida, Yoichirou Shimomuku | 2010-01-26 |
| 7541532 | Key structure and keyboard apparatus | Kenichi Nishida, Yoichirou Shimomuku | 2009-06-02 |
| 7268285 | Key structure and keyboard apparatus | Yoichirou Shimomuku, Kenichi Nishida | 2007-09-11 |
| 7265288 | Key structure | Kenichi Nishida, Yoichirou Shimomuku | 2007-09-04 |
| 7176370 | Key structure and keyboard apparatus | Kenichi Nishida, Yoichirou Shimomuku | 2007-02-13 |
| 6660920 | Music operator with tension string for sensing action input | — | 2003-12-09 |
| 6005178 | Electronic musical instrument simulating acoustic piano keytouch characteristics | Tsuyoshi Sato, Takamichi Masubuchi, Keisuke Watanabe, Junichi Mishima | 1999-12-21 |
| 5895875 | Keyboard assembly for electronic musical instrument | Tsuyoshi Sato, Takamichi Masubuchi, Keisuke Watanabe, Junichi Mishima | 1999-04-20 |
| 5300727 | Electrical musical instrument having a tone color searching function | Masahiro Shimizu | 1994-04-05 |