Kohei Nakata
70Patents
8h-index
38Co-inventors
78Inventor score
Filing activity: Jun 1, 1988 → Sep 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5525861A | Display apparatus having first and second internal spaces | Electricity | 32 | Expired |
| US7099244B2 | Wobble demodulator and wobble demodulation method | Physics | 18 | Expired |
| US6848961B2 | Method and apparatus for manufacturing image displaying apparatus | Electricity | 17 | Expired |
| US4971423A | Gradient-index-type optical device | Physics | 17 | Expired |
| US6152796A | Method for manufacturing an image forming apparatus | Electricity | 11 | Expired |
| US6928218B2 | Fiber plate, manufacturing method thereof, radiation imaging apparatus and radiation imaging system | Chemistry; Metallurgy | 10 | Expired |
| US7339861B2 | PLL clock generator, optical disc drive and method for controlling PLL clock generator | Electricity | 9 | Expired |
| US5925979A | Image display apparatus with getter scattering prevention | Electricity | 8 | Expired |
| US5032000A | Gradient index-type optical device and process for production thereof | Physics | 8 | Expired |
| US6821174B2 | Method of manufacturing image display apparatus | Electricity | 8 | Expired |
| US6702636B2 | Method and apparatus for manufacturing image display device | Electricity | 5 | Expired |
| US6634916B2 | Manufacturing method and manufacturing apparatus of image displaying apparatus | Electricity | 5 | Expired |
| US8218408B2 | Information recording method and information reproducing method | Physics | 5 | Active |
| US7869327B2 | Phase error detecting device, waveform shaping device and optical disc device | Physics | 4 | Active |
| US7326097B2 | Method and apparatus for manufacturing image displaying apparatus | Electricity | 4 | Expired |
| US7008285B2 | Method and apparatus for manufacturing image display device | Electricity | 4 | Expired |
| US7012865B2 | Recording apparatus and recording method | Physics | 3 | Expired |
| US6905384B2 | Method and apparatus for manufacturing image displaying apparatus | Electricity | 3 | Expired |
| US8098557B2 | Signal evaluation method and signal evaluation apparatus | Physics | 2 | Active |
| US7821910B2 | Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit | Physics | 2 | Active |
| US6486600B1 | Image display apparatus | Electricity | 2 | Expired |
| US11475918B2 | Recording state evaluation method, recording compensation method, and information recording/playback device | Physics | 2 | Active |
| US7152433B2 | Method of manufacturing image display apparatus and apparatus for manufacturing the same | Electricity | 2 | Expired |
| US7226335B2 | Method and apparatus for manufacturing image displaying apparatus | Electricity | 1 | Expired |
| US7433277B2 | Wobble demodulator and wobble demodulation method | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.