Inventor · Fukushima, JP

Shunji Usui

3Patents
3h-index
Co-inventors
30Inventor score

Filing activity: Oct 31, 1997 → Sep 28, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6434100B1 Optical disc reproducing apparatus Physics 10 Expired
US6058079A Optical disc reproducing apparatus for pre-reading recording data to be reproduced Physics 7 Expired
US6754150B1 Contents data reproducing apparatus Physics 6 Expired

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