Inventor · Tokyo, JP

Toshifumi Ohkubo

4Patents
3h-index
21Co-inventors
46Inventor score

Filing activity: Jun 29, 1999 → Jun 26, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6729541B1 Information reading apparatus and information recording medium Physics 11 Expired
US6759137B1 Opto-magnetic recording medium with a garnet ferrite recording layer, and opto-magnetic information recording/reproducing device Emerging Cross-Sectional Technologies 7 Expired
US6785201B2 Optical information recording and reading apparatus Physics 5 Expired
US7368146B2 Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback device Emerging Cross-Sectional Technologies 2 Active

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