Inventor · disambiguated record
Tomotada Kamei
Also filed as: KAMEI TOMOTADA
16 granted patents·3 pending applications·213 citations·filing 1996–2010
93Inventor score
Top patents by PatentIndex Score
19 records- 0196US7227819B2Optical pick-up head, optical information apparatus, and optical information reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 5, 2007·40 cites·17 claims
- 0290US5781351AMounting structure of objective lens for optical pick-up used for optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jul 14, 1998·117 cites·15 claims
- 0386US7539090B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted May 26, 2009·4 cites·9 claims
- 0480US7558162B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Jul 7, 2009·2 cites·4 claims
- 0575US7463561B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Dec 9, 2008·1 cites·5 claims
- 0675US6873588B1Converging element, optical head, and apparatus and method of optically recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 29, 2005·13 cites·23 claims
- 0774US7460448B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Dec 2, 2008·1 cites·4 claims
- 0870US7406012B2Semiconductor laser driving device, optical head device, optical information processing device, and optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 29, 2008·8 cites·8 claims
- 0968US7697400B2Optical pickup and optical disc devicePANASONIC CORP·Filed 2006·Granted Apr 13, 2010·1 cites·8 claims
- 1067US7254107B2Optical head and optical recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 7, 2007·6 cites·28 claims
- 1167US6643303B2Laser drive device, optical head, and optical information processorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 4, 2003·6 cites·9 claims
- 1264US7542382B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Jun 2, 2009·0 cites·3 claims
- 1364US6859428B2Converging element, optical head, and apparatus and method of optically recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 22, 2005·4 cites·18 claims
- 1463US7558170B2Optical pick-up head, optical information apparatus, and optical information reproducing methodPANASONIC CORP·Filed 2007·Granted Jul 7, 2009·0 cites·4 claims
- 1558US7154838B2Optical detector, optical head device, optical information processing device, and optical information processing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 26, 2006·8 cites·9 claims
- 1657US6920102B2Converging element, optical head, and apparatus and method of optically recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 19, 2005·2 cites·26 claims
- 1745US2010149949A1Optical pickup and optical disc devicePANASONIC CORP·Filed 2010·Application pending·0 cites
- 1843US2010103805A1Semiconductor laser driving device, optical head device and optical information recording/reproducing deviceYOSHIDA HIROAKI·Filed 2006·Application pending·0 cites
- 1943US2009168823A1Semiconductor laser device, optical pickup device and optical information recording/reproducing apparatusKAMEI TOMOTADA·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →