Ichiro Osuga
48Patents
6h-index
27Co-inventors
69Inventor score
Filing activity: Aug 6, 1992 → Jun 8, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7750222B2 | Keyboard apparatus of electronic musical instrument | Physics | 15 | Active |
| US5895875A | Keyboard assembly for electronic musical instrument | Physics | 13 | Expired |
| US7176370B2 | Key structure and keyboard apparatus | Physics | 12 | Expired |
| US5300727A | Electrical musical instrument having a tone color searching function | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6005178A | Electronic musical instrument simulating acoustic piano keytouch characteristics | Physics | 8 | Expired |
| US7541532B2 | Key structure and keyboard apparatus | Physics | 6 | Active |
| US7709718B2 | Electronic musical instrument keyboard apparatus | Physics | 5 | Active |
| US7767892B2 | Keyboard apparatus for electronic musical instrument | Physics | 5 | Active |
| US9040807B2 | Keyboard apparatus for an electronic musical instrument | Physics | 4 | Active |
| US9269336B2 | Operating element device | Physics | 4 | Active |
| US7696424B2 | Keyboard apparatus of electronic musical instrument | Physics | 3 | Active |
| US9697816B2 | Keyboard unit | Physics | 3 | Active |
| US7858863B2 | Electronic musical instrument keyboard apparatus | Physics | 3 | Active |
| US8987570B2 | Keyboard device for electronic musical instrument | Physics | 3 | Active |
| US6660920B2 | Music operator with tension string for sensing action input | Physics | 3 | Expired |
| US10311847B2 | Keyboard apparatus | Physics | 3 | Active |
| US9424825B2 | Keyboard apparatus for an electronic musical instrument | Physics | 3 | Active |
| US7652207B2 | Key structure and keyboard apparatus | Physics | 3 | Active |
| US9489006B2 | Reaction force generator | Electricity | 2 | Active |
| US9613608B2 | Keyboard unit | Physics | 2 | Active |
| US8802952B2 | Keyboard device for electronic musical instrument | Physics | 2 | Active |
| US7772474B2 | Keyboard device with an anti-floating part for electronic musical instrument | Physics | 2 | Active |
| US9613607B2 | Keyboard unit | Physics | 2 | Active |
| US8809658B2 | Keyboard device for electronic musical instrument | Physics | 2 | Active |
| US10482861B2 | Reaction force generator and keyboard device of electronic musical instrument | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.