Shigeo Ando
18Patents
9h-index
27Co-inventors
72Inventor score
Filing activity: Apr 20, 1978 → Feb 27, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6252969A | Howling detection and prevention circuit and a loudspeaker system employing the same | Electricity | 21 | Expired |
| US4335065A | Method and apparatus for producing mouldings of cement mortar | Performing Operations; Transporting | 19 | Expired |
| US4227435A | Electronic musical instrument | Physics | 16 | Expired |
| US7873059B2 | Gateway device | Electricity | 15 | Active |
| US4224856A | Waveshape memory type keyboard electronic musical instrument | Physics | 13 | Expired |
| US6850621B2 | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method | Electricity | 12 | Expired |
| US4231276A | Electronic musical instrument of waveshape memory type | Physics | 10 | Expired |
| US7076068B2 | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method | Electricity | 10 | Expired |
| US5619579A | Reverberation imparting apparatus | Physics | 10 | Expired |
| US7082201B2 | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method | Electricity | 9 | Expired |
| US4244257A | Wave-shape generator for electronic musical instruments | Physics | 6 | Expired |
| US4298965A | Directivity display device and method | Physics | 3 | Expired |
| US5977701A | Color cathode ray tube with improved transmittance of selective wavelengths | Electricity | 0 | Expired |
| US7413135B2 | High pressure homogenizing apparatus and method thereof | Performing Operations; Transporting | 0 | Active |
| US8006717B2 | Injection valve of high pressure homogenizer and injection valve unit of the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US7530511B2 | High pressure homogenizing apparatus and method thereof | Performing Operations; Transporting | 0 | Expired |
| US7599564B2 | Jpeg-compressed file creating method | Electricity | 0 | Expired |
| US8141880B2 | High pressure sealing apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.