Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848699 | Accessory device, electronic musical instrument and teaching apparatus | Osamu Ohshima, Yoshinari Nakamura, Shinya Sakurada, Atsushi Fukada | 2010-12-07 |
| 7834895 | Storage medium storing game program, and game device | Yusuke Akifusa | 2010-11-16 |
| 7750231 | Keyboard apparatus of electronic musical instrument | Yasushi Tamazawa | 2010-07-06 |
| 7750223 | Musical interaction assisting apparatus | Osamu Ohshima, Yoshinari Nakamura, Atsushi Fukada, Shinya Sakurada | 2010-07-06 |
| 7741553 | White key for keyboard musical instrument | — | 2010-06-22 |
| 7692089 | Electronic keyboard instrument | — | 2010-04-06 |
| 7683247 | Keyboard apparatus | — | 2010-03-23 |
| 7652207 | Key structure and keyboard apparatus | Ichiro Osuga, Yoichirou Shimomuku | 2010-01-26 |
| 7586030 | Keyboard apparatus | — | 2009-09-08 |
| 7541532 | Key structure and keyboard apparatus | Ichiro Osuga, Yoichirou Shimomuku | 2009-06-02 |
| 7485798 | Keyboard apparatus | — | 2009-02-03 |
| 7465863 | Keyboard apparatus | — | 2008-12-16 |
| 7433774 | Control system for cylinder cut-off internal combustion engine | Naoto Sen, Tadayoshi Okada, Akira Sugiyama, Yasuhiko Tomokuni | 2008-10-07 |
| 7365259 | Keyboard apparatus | — | 2008-04-29 |
| 7361825 | Electronic keyboard instrument | — | 2008-04-22 |
| 7332663 | Keyboard apparatus | — | 2008-02-19 |
| 7326844 | Keyboard apparatus | — | 2008-02-05 |
| 7308962 | Control system for cylinder cut-off internal combustion engine | Naoto Sen, Tadayoshi Okada, Akira Sugiyama, Yasuhiko Tomokuni, Mahito Ishiyama +1 more | 2007-12-18 |
| 7297854 | Keyboard apparatus | — | 2007-11-20 |
| 7297855 | Keyboard apparatus and method of producing the keyboard apparatus | — | 2007-11-20 |
| 7268285 | Key structure and keyboard apparatus | Yoichirou Shimomuku, Ichiro Osuga | 2007-09-11 |
| 7265288 | Key structure | Ichiro Osuga, Yoichirou Shimomuku | 2007-09-04 |
| 7256359 | Key operation detection unit of an electronic keyboard instrument | — | 2007-08-14 |
| 7176370 | Key structure and keyboard apparatus | Ichiro Osuga, Yoichirou Shimomuku | 2007-02-13 |
| 6995308 | Electric keyboard assembly and method of manufacturing weight members provided in keyboard assembly | Naohisa Mori, Hideki Ishihara | 2006-02-07 |