Hideki Imai
30Patents
13h-index
57Co-inventors
84Inventor score
Filing activity: May 23, 1984 → Jan 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5016276A | Common cryptokey generation system and communication system using common cryptokeys | Electricity | 79 | Expired |
| US5533413A | Equipment diagnosis system | Physics | 74 | Expired |
| US6001761A | Ceramics sheet and production method for same | Chemistry; Metallurgy | 69 | Expired |
| US4747103A | Signal processing apparatus for correcting decoding errors | Electricity | 42 | Expired |
| US4755475A | Method of manufacturing photovoltaic device | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5395812A | Silver catalyst for production of ethylene oxide and method for production of the catalyst | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4668840A | Photovoltaic device | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4633884A | Physiological signals processing system | Human Necessities | 23 | Expired |
| US6194666A | Push pull type control cable | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5093839A | Frequency diversity receiving system based on cancellation of C/A code in GPS | Electricity | 18 | Expired |
| US5512977A | Copying machine with encryption function | Electricity | 18 | Expired |
| US4650524A | Method for dividing semiconductor film formed on a substrate into plural regions by backside energy beam irradiation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4839649A | Signal processing system | Electricity | 14 | Expired |
| US5325373A | Apparatus for encoding and decoding reed-solomon code | Electricity | 13 | Expired |
| US5127359A | Holding apparatus for work to be coated | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8601590B2 | Content distribution system | Electricity | 11 | Active |
| USD761736S1 | Non-contact type data carrier | General | 10 | Active |
| US7617536B2 | Unauthorized device detection device, unauthorized device detection system, unauthorized device detection method, program, recording medium, and device information update method | Electricity | 10 | Active |
| US8972300B2 | Content distribution system | Electricity | 8 | Active |
| US7936883B2 | Quantum key distribution protocol | Electricity | 6 | Active |
| US4827489A | Decoding device for digital signals | Electricity | 6 | Expired |
| US6151983A | Conduit for a control cable | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6635328B2 | Integral skin foam molded article | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6910130B2 | System for and method of unconditionally secure digital signature | Electricity | 3 | Expired |
| US5349171A | Bar code reader | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.