Inventor · disambiguated record
Toyohiko Matsuda
Also filed as: MATSUDA TOYOHIKO
9 granted patents·4 pending applications·176 citations·filing 1990–2023
89Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD4DMG MORI CO LTD3SONY PREC TECHNOLOGY INC3SONY PRECISION TECHNOLOGY INC2
Top patents by PatentIndex Score
13 records- 0175US5369439AOrthogonal transform encoder using DC component to control quantization step sizeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Nov 29, 1994·40 cites·5 claims
- 0272US6772101B1Position detection apparatus and arithmetic processing unitSONY PREC TECHNOLOGY INC·Filed 2000·Granted Aug 3, 2004·16 cites·14 claims
- 0370US6614846B1Method and apparatus for transmitting, encoding and decoding video signal and recording/reproducing method of optical discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 2, 2003·41 cites·3 claims
- 0469US6490807B1Position detection apparatusSONY PREC TECHNOLOGY INC·Filed 2000·Granted Dec 10, 2002·14 cites·2 claims
- 0568US5970432AApparatus and method for measuring displacementSONY PRECISION TECHNOLOGY INC·Filed 1997·Granted Oct 19, 1999·28 cites·16 claims
- 0666US6470292B1Position detection apparatusSONY PREC TECHNOLOGY INC·Filed 2000·Granted Oct 22, 2002·12 cites·2 claims
- 0758US2025137770A1Displacement detection deviceDMG MORI CO LTD·Filed 2023·Application pending·0 cites
- 0852US2025231051A1Display device and measuring instrumentDMG MORI CO LTD·Filed 2023·Application pending·0 cites
- 0948US2025156041A1Display deviceDMG MORI CO LTD·Filed 2023·Application pending·0 cites
- 1046US5646695AVideo signal processing method and apparatus for use with plural television systemsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jul 8, 1997·17 cites·12 claims
- 1145US2004237115A1Remote control unit for operating server, and server system including server and remote control unitFiled 2004·Application pending·0 cites
- 1233US6031885ADisplacement detecting apparatusSONY PRECISION TECHNOLOGY INC·Filed 1997·Granted Feb 29, 2000·5 cites·14 claims
- 1331US5130862ACoding apparatus for converting digital signals into ternary signals whose dc component is equal to zeroMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 14, 1992·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →