Shigenori Morikawa
27Patents
12h-index
15Co-inventors
78Inventor score
Filing activity: Feb 17, 1982 → Jun 15, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825408A | Portable compact imaging and displaying apparatus | Electricity | 305 | Expired |
| US5612732A | Portable compact imaging and displaying apparatus with rotatable camera | Electricity | 122 | Expired |
| US5528285A | TV telephone system which sends and receives image data to another TV telephone system and having power supply and image display control | Electricity | 100 | Expired |
| US5867209A | Television telephone which displays image data having a first precision degree and image data having a second precision degree on a respective display region of a display screen | Electricity | 32 | Expired |
| US6108790A | Authentication system using network | Physics | 29 | Expired |
| US4667556A | Electronic musical instrument with waveform memory for storing waveform data based on external sound | Physics | 27 | Expired |
| US4681008A | Tone information processing device for an electronic musical instrument | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5577774A | Method of recording/reproducing data of mesh pattern, and apparatus therefor | Physics | 24 | Expired |
| US4864625A | Effector for electronic musical instrument | Physics | 21 | Expired |
| US5327510A | Method of recording/reproducing data of mesh pattern, and apparatus therefor | Physics | 18 | Expired |
| US4700604A | Music playing system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5591957A | Apparatus for reading mesh pattern image data having bars along upper and lower sides of mesh pattern and a boundary line between horizontally adjacent dark and light area of mesh pattern | Physics | 17 | Expired |
| US4489391A | Digital filter apparatus having a resonance characteristic | Electricity | 12 | Expired |
| US4754680A | Overdubbing apparatus for electronic musical instrument | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6848047B1 | Security managing system, data distribution apparatus and portable terminal apparatus | Physics | 10 | Expired |
| US5042079A | Method of recording/reproducing data of mesh pattern, and apparatus therefor | Physics | 9 | Expired |
| US5050216A | Effector for electronic musical instrument | Physics | 7 | Expired |
| US5847302A | Tone information processing device for an electronic musical instrument for generating sounds | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5136912A | Electronic tone generation apparatus for modifying externally input sound | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5160798A | Tone information processing device for an electronic musical instrument for generating sound having timbre corresponding to two parameters | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5521322A | Tone information processing device for an electronic musical instrument for generating sounds | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5025700A | Electronic musical instrument with signal modifying apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4970935A | Tone information processing device for an electronic musical instrument | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5475390A | Tone information processing device for an electronic musical instrument | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5717153A | Tone information processing device for an electronic musical instrument for generating sounds | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.