Yuji Hisakado
21Patents
12h-index
28Co-inventors
77Inventor score
Filing activity: Apr 19, 1993 → Oct 4, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5517484A | Optical disk and optical disk recording and reproducing apparatus | Physics | 47 | Expired |
| US5872767A | Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks | Physics | 44 | Expired |
| US6044051A | Optical information recording/reproducing device and method for recording, reproducing and erasing information on an optical information recording medium utilizing light beam radiation | Physics | 42 | Expired |
| US5729525A | Two-layer optical disk | Physics | 36 | Expired |
| US6172952A | Optical disk device with abnormal jump detection | Physics | 32 | Expired |
| US5862112A | Optical disk and an optical disk recording reproduction device | Physics | 31 | Expired |
| US5930225A | Two-layer optical disk | Physics | 25 | Expired |
| US5406534A | Double-sided recordable optical disk suitable for a substituting process and a method for performing defect management | Physics | 23 | Expired |
| US5469418A | Optical information write/read device and method for writing data | Physics | 15 | Expired |
| US5831951A | Method and apparatus for controlling a slice signal in the reproduction information recorded in an optical disk | Physics | 14 | Expired |
| US5457794A | Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6621779B1 | Laser power controller and optical disk device | Physics | 12 | Expired |
| US6236629A | Optical disk device | Physics | 11 | Expired |
| US7123574B2 | Recording medium, method and apparatus for recording, and method and apparatus for reproducing | Physics | 9 | Expired |
| US6205095A | Optical disk device | Physics | 9 | Expired |
| US6195320A | Optical disk signal processing method and optical disk device | Physics | 7 | Expired |
| US6973020B2 | Recording medium, method and apparatus for reproducing, and method and apparatus for recording | Physics | 4 | Expired |
| USRE39952E1 | Laser power controller and optical disk device | General | 3 | Expired |
| US6434098B1 | Optical disc device | Physics | 1 | Expired |
| USRE39306E1 | Optical disc device | General | 1 | Expired |
| US7239586B2 | Optical disk device and recording power determining method | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.