Inventor · disambiguated record
Toshifumi Ohkubo
Also filed as: OHKUBO TOSHIFUMI
4 granted patents·1 pending application·65 citations·filing 1999–2006
78Inventor score
Top patents by PatentIndex Score
5 records- 0181US7368146B2Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted May 6, 2008·4 cites·2 claims
- 0274US6785201B2Optical information recording and reading apparatusSEIKO INSTR INC·Filed 2002·Granted Aug 31, 2004·11 cites·9 claims
- 0364US6729541B1Information reading apparatus and information recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted May 4, 2004·33 cites·21 claims
- 0458US6759137B1Opto-magnetic recording medium with a garnet ferrite recording layer, and opto-magnetic information recording/reproducing deviceCT NAT DE LA RECH SCIENT INC·Filed 1999·Granted Jul 6, 2004·17 cites·10 claims
- 0539US2004197604A1Magneto-optical recording medium, manufacturing method thereof and magneto-optical data recording and playback deviceFiled 2003·Application pending·0 cites
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