Inventor · disambiguated record
Shoji Marukawa
Also filed as: MARUKAWA SHOJI
6 granted patents·163 citations·filing 1999–2003
85Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD6
Top patents by PatentIndex Score
6 records- 0193US6834035B1Digital reproduced signal processing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 21, 2004·53 cites·3 claims
- 0288US6741533B1Tracking error detection deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 25, 2004·34 cites·20 claims
- 0387US6687841B1Wide frequency range PLL clock generating circuit with delta sigma modulating circuitry for reducing the time changing ratio of the input voltage of a voltage controlled oscillatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 3, 2004·30 cites·3 claims
- 0476US6836511B1Apparatus for processing a reproduced digital signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 28, 2004·33 cites·13 claims
- 0567US6291962B1Offset control circuit and offset control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 18, 2001·8 cites·13 claims
- 0662US6934099B2Digital data reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 23, 2005·5 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Shoji Marukawa 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 →