Inventor · disambiguated record
Nobuya Sekiyama
Also filed as: SEKIYAMA NOBUYA
9 granted patents·1 pending application·248 citations·filing 1990–2017
89Inventor score
Top patents by PatentIndex Score
10 records- 0195US5202810AMagnetic disk having an improved surface configurationHITACHI LTD·Filed 1990·Granted Apr 13, 1993·76 cites·14 claims
- 0292US5388020AMagnetic disk having improved surface configuration and magnetic disk unit including sameHITACHI LTD·Filed 1992·Granted Feb 7, 1995·61 cites·7 claims
- 0387US5364655ASimultaneous double sides polishing methodHITACHI LTD·Filed 1992·Granted Nov 15, 1994·48 cites·9 claims
- 0484US5353182AMagnetic disk unit having magnetic disks and a magnetic head with a head slider which is in contact with surfaces of the magnetic diskHITACHI LTD·Filed 1992·Granted Oct 4, 1994·31 cites·9 claims
- 0574US10788064B2Composite structureHITACHI LTD·Filed 2017·Granted Sep 29, 2020·1 cites·5 claims
- 0663US5825591AFrictionally sliding head magnet disk apparatusHITACHI LTD·Filed 1996·Granted Oct 20, 1998·16 cites·18 claims
- 0758US5680285AMagnetic disk having improved surface configuration and magnetic disk unit including sameHITACHI LTD·Filed 1996·Granted Oct 21, 1997·10 cites·6 claims
- 0852US2012012425A1Linear actuator and forklift truckHAYASE ISAO·Filed 2009·Application pending·0 cites
- 0948US5549211AMethod of producing magnetic diskHITACHI LTD·Filed 1994·Granted Aug 27, 1996·5 cites·6 claims
- 1047US9464612B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Oct 11, 2016·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →