Hiroshi Ueda
468Patents
35h-index
461Co-inventors
93Inventor score
Filing activity: Dec 17, 1973 → Mar 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5715221A | Method for managing defects in an information recording medium, and a device and information recording medium using said method | Physics | 198 | Expired |
| US6160778A | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Physics | 197 | Expired |
| US4728978A | Photographic camera | Physics | 161 | Expired |
| US6282365A | Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system | Electricity | 144 | Expired |
| US6189118A | Information recording medium, and method and apparatus for managing defect thereof | Physics | 136 | Expired |
| US6292625A | Recording/reproducing method suitable for recording/reproducing AV data on/from disc, recorder and reproducer for the method, information recording disc and information processing system | Electricity | 122 | Expired |
| US6581167B1 | Information recording medium, information recording method and information recording/reproduction system | Physics | 108 | Expired |
| US6842580B1 | Real-time recording/reproduction on an information recording medium including a defective region | Electricity | 103 | Expired |
| US6289102A | Apparatus and method for preventing unauthorized use of information recorded on an information recording medium | Electricity | 98 | Expired |
| US7184377B2 | Multi-layered information recording medium, recording apparatus, and recording method | Physics | 92 | Expired |
| US6292445A | Information recording medium, information recording method, information recording apparatus and information reproducing apparatus | Physics | 88 | Expired |
| US6047103A | Data transmitter, data transmitting method, data receiver, information processor, and information recording medium | Electricity | 82 | Expired |
| US6601970B2 | Linear lighting system | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US7123556B2 | Multi-layered information recording medium with spare defect management areas | Physics | 81 | Expired |
| US7027373B2 | Information recording medium, information recording method and information reproduction method | Physics | 80 | Expired |
| US5881032A | Optical disk, and optical disk reproduction method and apparatus implementing a mathematical complementary relationship for plural layers | Physics | 70 | Expired |
| US7042825B2 | Information recording medium, recording apparatus, reproduction apparatus, recording method, reproduction method and defect management method | Physics | 68 | Expired |
| US5313235A | Sound playback apparatus capable of playing back sounds relevant to photographs | Physics | 64 | Expired |
| US4662736A | Power supply system for memory unit of camera | Physics | 58 | Expired |
| US4860039A | Photographic camera system and using thereof | Physics | 56 | Expired |
| US5597999A | Auto focus detecting device comprising both phase-difference detecting and contrast detecting methods | Physics | 56 | Expired |
| US5128700A | Camera capable of recording sounds relevant to the photographing | Physics | 49 | Expired |
| US4957558A | Temporary solidifier for playing with sand | Chemistry; Metallurgy | 48 | Expired |
| US6333103A | Aluminum oxide-coated article | Emerging Cross-Sectional Technologies | 46 | Expired |
| US7170841B2 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method | Physics | 44 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.