Inventor · Tokyo, JP

Hideki Nagashima

18Patents
10h-index
11Co-inventors
65Inventor score

Filing activity: Aug 16, 1991 → Apr 24, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US5224087A Apparatus for recording compressed digital information to an optical disc Physics 137 Expired
US5243588A Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors Physics 107 Expired
US5363362A Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors Physics 88 Expired
US5519681A Recording medium reproducing apparatus that identifies a channel of reproduced data Physics 57 Expired
US6205104A Recording/reproducing apparatus for compressed data Physics 38 Expired
US5699336A Reproducing apparatus having buffer memory and capable of rapidly restarting reproduction and method of controlling the apparatus Physics 29 Expired
US5613112A Management of recordable area for TOC (table of contents) and recording or recording/reproducing apparatus for performing recording action based on the same TOC information Physics 28 Expired
US6188662A Recording apparatus with a receiving function and recording apparatus Electricity 23 Expired
US5963521A Recording and/or reproducing method and apparatus with dubbing mode Physics 11 Expired
US5675559A Disc recording reproducing apparatus having memory control which allows recording immediately upon loading of the disc Physics 10 Expired
US5790484A Disc recording/reproducing apparatus having memory control which allows recording immediately upon loading of the disc Physics 9 Expired
US5659529A Data encoder Physics 9 Expired
US6400667B1 Recording/reproduction method and apparatus in which sub data is written/read in periods during which writing/reading of main data is not performed Physics 8 Expired
US5559780A Recording apparatus for an optical recording medium Physics 6 Expired
US5715220A Disc recording and/or reproducing apparatus wherein recording starting and ending dates and times are generated and recorded during a program recording mode, and starting and ending dates and times are displayed during a reproducing mode Physics 5 Expired
US6301203A Apparatus and method for reproducing main data and sub data in synchronization Physics 4 Expired
US7730255B2 Apparatus, method, and program for recording Physics 0 Active
US8125871B2 Recording apparatus, recording method and recording program Physics 0 Active

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