Ryuichiro Yoshimura
46Patents
20h-index
41Co-inventors
85Inventor score
Filing activity: Apr 17, 1986 → Dec 20, 2005
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 |
| US6088506A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 87 | Expired |
| US5742569A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 70 | Expired |
| US5889746A | Information recording medium, apparatus for recording the same and apparatus for reproducing the same | Physics | 55 | Expired |
| US5966352A | Information recording medium with interleaved data, apparatus for recording same and apparatus for reproducing same | Electricity | 52 | Expired |
| US6157769A | 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 |
| US6266478A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 32 | Expired |
| US6034942A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 32 | Expired |
| US6108281A | Accessing control for optical recording device capable of performing time search | Electricity | 31 | Expired |
| US6067282A | Information recording medium, apparatus for recording the same and apparatus for recording the same | Physics | 28 | Expired |
| US6091674A | Accessing control for optical recording device capable of performing time search | Electricity | 27 | Expired |
| US6006004A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 26 | Expired |
| US7295762B2 | Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the same | Physics | 24 | Expired |
| US5684529A | Stereoscopio display using movement direction detection | Electricity | 23 | Expired |
| US5936925A | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 21 | Expired |
| US6122434A | Information recording medium, having data and management portions, and an apparatus for reproducing information from the medium | Electricity | 20 | Expired |
| US5933569A | Information recording medium apparatus for recording the same and apparatus for reproducing the same | Electricity | 19 | Expired |
| US6104684A | Information recording medium, with aggregate attribute information recorded in video manager apparatus for recording the same and apparatus for reproducing the same | Electricity | 18 | Expired |
| US6757483B1 | Information recording medium with aggregate attribute information recorded in video manager, apparatus for recording the same and apparatus for reproducing the same | Electricity | 15 | Expired |
| US6501903B1 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Electricity | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.