Inventor · Fujisawa, JP

Shinya Ozaki

33Patents
12h-index
19Co-inventors
78Inventor score

Filing activity: Apr 27, 1984 → Mar 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4719628A Method and apparatus for decoding error correction code Electricity 53 Expired
US4873589A Data recorder and method Physics 37 Expired
US4812924A Method and apparatus for reproducing or recording a PCM signal and sub data concerning the PCM signal in a paired format Physics 30 Expired
US4899232A Apparatus for recording and/or reproducing digital data information Physics 29 Expired
US4630272A Encoding method for error correction Physics 27 Expired
US5012459A Data recorder Physics 23 Expired
US4799221A Apparatus for reproducing a digital signal Physics 23 Expired
US4852099A Error correction method using Reed-Solomon code Electricity 21 Expired
US5818652A Device for reproducing a recording medium having plural recording areas Physics 19 Expired
US4802172A Decoding apparatus Physics 18 Expired
US5091805A Apparatus and method for recording and/or reproducing a digital signal Physics 15 Expired
US5057950A Data storage method Physics 13 Expired
US6172829A Digital audio tape recording/reproducing apparatus for use with multiple formats Physics 11 Expired
US4646171A Apparatus for recording and/or reproducing digital information signal Physics 10 Expired
US5559644A Data recording/reproducing apparatus having a first error correcting code on both sides of a main data area of each azimuth track Physics 9 Expired
US5379152A Data recorder which partitions the recording medium into data information and table of contents information Physics 8 Expired
US4837640A Method and apparatus for detecting a control signal Physics 8 Expired
US6141164A Data recording/reproducing apparatus employing read-after-write system Physics 7 Expired
US4669000A Synchronizing circuit Physics 6 Expired
US6229659A Methods and apparatus for storing data and auxiliary information Physics 5 Expired
US5862008A Data recording method Physics 5 Expired
US5144500A Method and apparatus for reproducing multiply recorded data Physics 4 Expired
US5144501A Data recorder and method of operation Physics 4 Expired
US4875111A Apparatus for reproducing a digital signal Physics 4 Expired
US5067131A Apparatus and method for recording and/or reproducing a digital signal Physics 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.