Inventor · disambiguated record
Katsuji Nakagawa
Also filed as: NAKAGAWA KATSUJI
9 granted patents·3 pending applications·134 citations·filing 1987–2012
89Inventor score
Top patents by PatentIndex Score
12 records- 0182US4839208AOptical information recording mediumNEC CORP·Filed 1987·Granted Jun 13, 1989·28 cites·17 claims
- 0277US6633514B1Magneto-optical reproducing method using a plural of different reproducing beamsHITACHI MAXELL·Filed 1999·Granted Oct 14, 2003·25 cites·10 claims
- 0365US6388954B1Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing sameHITACHI MAXELL·Filed 1999·Granted May 14, 2002·18 cites·11 claims
- 0465US5923625AMagneto-optical recording medium and method for recording and reproduction thereonHITACHI MAXELL·Filed 1996·Granted Jul 13, 1999·17 cites·23 claims
- 0560US6904002B2Magneto-optical reproducing method using a plurality of different reproducing beamsHITACHI MAXELL·Filed 2003·Granted Jun 7, 2005·3 cites·27 claims
- 0655US6507197B1Electrostatic force detector with cantilever for an electrostatic force microscopeTREK INC·Filed 1998·Granted Jan 14, 2003·21 cites·10 claims
- 0751US6337478B1Electrostatic force detector with cantilever and shield for an electrostatic force microscopeTREK INC·Filed 1999·Granted Jan 8, 2002·17 cites·25 claims
- 0845US6707648B2Magnetic device, magnetic head and magnetic adjustment methodUNIV NIHON·Filed 2001·Granted Mar 16, 2004·2 cites·7 claims
- 0940US2009117410A1Thin Film Material and Recording MediumUNIV NIHON·Filed 2005·Application pending·0 cites
- 1040US2010209738A1Thin film material and recording mediumUNIV NIHON·Filed 2010·Application pending·0 cites
- 1138US2013085714A1Method and device for moving a sensor close to a surfaceTREK INC·Filed 2012·Application pending·0 cites
- 1236US7113453B1Method for recording and reproduction on a magneto-optical recording mediumHITACHI MAXELL·Filed 1999·Granted Sep 26, 2006·3 cites·14 claims
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