Inventor · disambiguated record
Nobuo Nakagawa
Also filed as: NAKAGAWA NOBUO
9 granted patents·1 pending application·311 citations·filing 1980–2009
91Inventor score
Top patents by PatentIndex Score
10 records- 0193US5651867APlasma processing method and apparatusHITACHI LTD·Filed 1990·Granted Jul 29, 1997·91 cites·23 claims
- 0287US4444635AFilm forming methodHITACHI LTD·Filed 1982·Granted Apr 24, 1984·50 cites·16 claims
- 0385US5093173AMagnetic disc comprising a substrate of an amorphous glass continuous phase dispersed with crystal particles which produce a structurally defined surface on the substrateHITACHI LTD·Filed 1990·Granted Mar 3, 1992·40 cites·13 claims
- 0484US4430387ABase plate for magnetic recording discHITACHI LTD·Filed 1980·Granted Feb 7, 1984·46 cites·14 claims
- 0577US4303443AElectroless copper plating solutionHITACHI LTD·Filed 1980·Granted Dec 1, 1981·29 cites·11 claims
- 0674US8184397B2Hard-disk drive with vapor-phase lubricant supply systemKATO YUKIO·Filed 2009·Granted May 22, 2012·2 cites·9 claims
- 0774US5285343AMagnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic diskHITACHI LTD·Filed 1990·Granted Feb 8, 1994·26 cites·20 claims
- 0869US5494721AMagnetic disc substrateHITACHI LTD·Filed 1993·Granted Feb 27, 1996·18 cites·3 claims
- 0952US4735853AMagnetic recording medium having an amorphous, nonmagnetic nickel-tungston-phosphorus underlayerHITACHI LTD·Filed 1986·Granted Apr 5, 1988·9 cites·18 claims
- 1037US2006081527A1Analytical filterHITACHI GLOBAL STORAGE TECH·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →