Junichi Yoshio
95Patents
30h-index
49Co-inventors
88Inventor score
Filing activity: Jul 16, 1981 → Nov 20, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6212330A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 353 | Expired |
| US6215952A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 227 | Expired |
| US6137954A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 175 | Expired |
| US6148138A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 105 | Expired |
| US5729516A | Information recording medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 101 | Expired |
| US6108486A | Information record medium, apparatus for recording the same and apparatus for reproducing the same enabling easy access to information | Electricity | 90 | Expired |
| US6088506A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 87 | Expired |
| US5446714A | Disc changer and player that reads and stores program data of all discs prior to reproduction and method of reproducing music on the same | Electricity | 81 | Expired |
| US5130816A | Method and apparatus for recording and reproducing information including plural channel audio signals | Physics | 73 | Expired |
| US5742569A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 70 | Expired |
| US5065252A | Method and apparatus for recording and reproducing picture information enabling the mixing of images of a video format signal and graphic codes recorded on a single recording medium | Electricity | 61 | Expired |
| US5282186A | Method and apparatus for recording and reproducing picture information and recording medium | Physics | 58 | Expired |
| US5043826A | Method and apparatus for recording and reproducing picture information and timely reproducing images by graphic codes | Electricity | 57 | Expired |
| US5889746A | Information recording medium, apparatus for recording the same and apparatus for reproducing the same | Physics | 55 | Expired |
| US5010417A | Playback method for use in a recording medium playing apparatus using information control signals | Physics | 54 | Expired |
| US5966352A | Information recording medium with interleaved data, apparatus for recording same and apparatus for reproducing same | Electricity | 52 | Expired |
| US5016113A | Apparatus for reproducing and processing picture information including graphic codes from a recording medium | Electricity | 51 | Expired |
| US6157769A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 50 | Expired |
| US5960152A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 50 | Expired |
| US6031962A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 48 | Expired |
| US4953035A | Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus | Physics | 46 | Expired |
| US5063551A | Method and apparatus of recording and reproducing picture information and recording medium | Electricity | 46 | Expired |
| US6236804A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 45 | Expired |
| US4989097A | Apparatus for reproducing and processing picture information from a recording medium | Electricity | 45 | Expired |
| US4872068A | Disk playing method resulting in reduced start-up time | Physics | 42 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.