Inventor · disambiguated record
Yoshihisa Okawa
Also filed as: OKAWA YOSHIHISA
4 granted patents·27 citations·filing 1988–1996
72Inventor score
Technology areasG11B
Files withNEC CORP4
Top patents by PatentIndex Score
4 records- 0166US5053899AExact position control of a relative position between a magnetic head and a recording mediumNEC CORP·Filed 1988·Granted Oct 1, 1991·18 cites·8 claims
- 0240US4841384AServo protection circuit for disk driveNEC CORP·Filed 1988·Granted Jun 20, 1989·5 cites·3 claims
- 0331US5023732AMagnetic disk apparatus having a circuit for detecting the position of servo information recorded on a magnetic diskNEC CORP·Filed 1989·Granted Jun 11, 1991·2 cites·11 claims
- 0429US6064537ADisk drive with fault detector for erase headsNEC CORP·Filed 1996·Granted May 16, 2000·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →