Inventor · disambiguated record
Hiroshi Kayama
Also filed as: KAYAMA HIROSHI
12 granted patents·5 pending applications·118 citations·filing 1995–2013
87Inventor score
Files withKAYAMA HIROSHI6PANASONIC CORP6MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2SAKAMOTO KAZUYUKI1YUGEN KAISHA FRONTIER ENGINEER1
Top patents by PatentIndex Score
17 records- 0192US8075994B2Thermal bonding conjugate fiber with excellent bulkiness and softness, and fiber formed article using the sameSAKAMOTO KAZUYUKI·Filed 2008·Granted Dec 13, 2011·16 cites·8 claims
- 0290US6496453B2Optical pickupMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 17, 2002·33 cites·19 claims
- 0389US5963523AOptical recording medium discriminating apparatus using laser beams of different wavelengthsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Oct 5, 1999·63 cites·17 claims
- 0471US7830761B2Optical disk apparatusPANASONIC CORP·Filed 2006·Granted Nov 9, 2010·2 cites·6 claims
- 0562US8218413B2Optical disc driveKAYAMA HIROSHI·Filed 2011·Granted Jul 10, 2012·1 cites·9 claims
- 0654US2013329539A1Optical read/write apparatusPANASONIC CORP·Filed 2013·Application pending·0 cites
- 0753US7948839B2Optical disk apparatusPANASONIC CORP·Filed 2007·Granted May 24, 2011·0 cites·6 claims
- 0853US2009245068A1Optical pickup device and optical disc drivePANASONIC CORP·Filed 2009·Application pending·0 cites
- 0951US8537650B2Optical read/write apparatusKAYAMA HIROSHI·Filed 2012·Granted Sep 17, 2013·0 cites·9 claims
- 1045US8305854B2Optical disc driveKAYAMA HIROSHI·Filed 2011·Granted Nov 6, 2012·0 cites·12 claims
- 1143US8391124B2Optical driveKAYAMA HIROSHI·Filed 2010·Granted Mar 5, 2013·0 cites·4 claims
- 1243US7660222B2Optical disk apparatus and information recording/reproduction methodPANASONIC CORP·Filed 2004·Granted Feb 9, 2010·0 cites·20 claims
- 1342US8238213B2Optical disc driveKAYAMA HIROSHI·Filed 2011·Granted Aug 7, 2012·0 cites·10 claims
- 1440US2008277562A1Information Processing DeviceKAYAMA HIROSHI·Filed 2005·Application pending·0 cites
- 1540US2004165521A1Optical pickup device, signal processing method for optical pickup device, and optical disk drive unitFiled 2004·Application pending·0 cites
- 1638US2011002117A1Optical disc drivePANASONIC CORP·Filed 2010·Application pending·0 cites
- 1725US5568690ADrafting instrumentYUGEN KAISHA FRONTIER ENGINEER·Filed 1995·Granted Oct 29, 1996·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →