Inventor · disambiguated record
Yukio Yamanaka
Also filed as: YAMANAKA YUKIO
7 granted patents·1 pending application·167 citations·filing 1986–2009
86Inventor score
Files withMATSUSHITA ELECTRIC WORKS LTD4COMM RES LAB INDEPENDENT ADMIN1HITACHI MAXELL1STANLEY ELECTRIC CO LTD1TANAKA HIDEMI1
Top patents by PatentIndex Score
8 records- 0178US5517399APower supply having a chopper with an improved power factorMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted May 14, 1996·55 cites·15 claims
- 0275US6943502B2Electronic ballast for a discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Sep 13, 2005·24 cites·22 claims
- 0371US5406471AAC-to-DC converter incorporating a chopper and charge-pump circuit combinationMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted Apr 11, 1995·42 cites·5 claims
- 0462US5182702AInverter deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1990·Granted Jan 26, 1993·31 cites·16 claims
- 0551US8337062B2LED lighting unit and vehicle lampTANAKA HIDEMI·Filed 2009·Granted Dec 25, 2012·4 cites·16 claims
- 0650US7159785B2Core piece and non-contact communication type information carrier using the core pieceHITACHI MAXELL·Filed 2002·Granted Jan 9, 2007·5 cites·11 claims
- 0738US2005021321A1Apparatus, method, and program for estimation of biological electromagnetic compatibilityCOMM RES LAB INDEPENDENT ADMIN·Filed 2004·Application pending·0 cites
- 0836US4682072AHeadlamp for vehicleSTANLEY ELECTRIC CO LTD·Filed 1986·Granted Jul 21, 1987·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →