Inventor · disambiguated record
Yasumasa Kawai
Also filed as: KAWAI YASUMASA
5 granted patents·2 pending applications·66 citations·filing 1990–2018
79Inventor score
Files withTOSHIBA KK7
Top patents by PatentIndex Score
7 records- 0176US9047924B1Magnetic disk device and method of data refresh processingTOSHIBA KK·Filed 2014·Granted Jun 2, 2015·4 cites·14 claims
- 0268US5168398AHead positioning control apparatus for a data storage deviceTOSHIBA KK·Filed 1990·Granted Dec 1, 1992·19 cites·9 claims
- 0365US5748401ASector servo system data recording/reproducing apparatus without ID portionTOSHIBA KK·Filed 1995·Granted May 5, 1998·22 cites·10 claims
- 0464US5898535AMethod and apparatus for recording and reproducing data in and from a data sector even when thermal asperity occurs in the servo areaTOSHIBA KK·Filed 1996·Granted Apr 27, 1999·21 cites·12 claims
- 0544US2018174615A1Storage device and a method for defect scanning of the sameTOSHIBA KK·Filed 2018·Application pending·0 cites
- 0639US2004156146A1Circuit board, disk apparatus and methods of identifying a head ICTOSHIBA KK·Filed 2004·Application pending·0 cites
- 0738US9928871B2Storage device and a method for defect scanning of the sameTOSHIBA KK·Filed 2016·Granted Mar 27, 2018·0 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Yasumasa Kawai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →