Inventor · disambiguated record
Hachiro Yamada
Also filed as: YAMADA HACHIRO
12 granted patents·329 citations·filing 1984–2000
93Inventor score
Top patents by PatentIndex Score
12 records- 0188US6323880B1Gray scale expression method and gray scale display deviceNEC CORP·Filed 1997·Granted Nov 27, 2001·97 cites·6 claims
- 0287US7023406B1Method and apparatus for enhancing peak luminance on plasma display panelNEC CORP·Filed 2000·Granted Apr 4, 2006·33 cites·34 claims
- 0367US6340961B1Method and apparatus for displaying moving images while correcting false moving image contoursNEC CORP·Filed 1998·Granted Jan 22, 2002·33 cites·27 claims
- 0467US5455784AAssociative memory device with small memory cells selectively storing data bits and don't care bitsNEC CORP·Filed 1994·Granted Oct 3, 1995·28 cites·6 claims
- 0567US4755974AContent-addressable memoryNEC CORP·Filed 1985·Granted Jul 5, 1988·38 cites·44 claims
- 0663US4907194AString comparator for searching for reference character string of arbitrary lengthNEC CORP·Filed 1985·Granted Mar 6, 1990·32 cites·33 claims
- 0760US5371697AAssociative memory device equipped with associative memory cells implemented by pairs of electrically erasable and programmable memory transistorsNEC CORP·Filed 1993·Granted Dec 6, 1994·21 cites·11 claims
- 0847US5175860ASystem string search system using matrix memory?comparator with columns simultaneously comparing with symbols of string supplied in parallel from a column of input shift registersNEC CORP·Filed 1989·Granted Dec 29, 1992·15 cites·3 claims
- 0944US6275203B1Plasma display panel with a structure capable of reducing various noisesNEC CORP·Filed 1998·Granted Aug 14, 2001·11 cites·49 claims
- 1040US6045746AMethod for producing resin article having undercut shapeSUMITOMO CHEMICAL CO·Filed 1997·Granted Apr 4, 2000·11 cites·4 claims
- 1137US4635226ABloch line pair driving device capable of quickly driving each Bloch line pair at a low voltageNEC CORP·Filed 1984·Granted Jan 6, 1987·3 cites·15 claims
- 1235US4985861AHigh speed digital signal processor for signed digit numbersNEC CORP·Filed 1989·Granted Jan 15, 1991·7 cites·11 claims
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