Inventor · disambiguated record
Katsumi Toyama
Also filed as: TOYAMA KATSUMI
7 granted patents·1 pending application·194 citations·filing 1996–2018
88Inventor score
Top patents by PatentIndex Score
8 records- 0195US6829211B2Optical recording medium having first and second recording areas of different formatsSONY CORP·Filed 2001·Granted Dec 7, 2004·59 cites·12 claims
- 0290US6519217B1Data record medium, data recording and/or reproducing apparatus, and record medium determining methodSONY CORP·Filed 2000·Granted Feb 11, 2003·32 cites·17 claims
- 0386US6707784B2Optical storage medium having two recording areas of different formatsSONY CORP·Filed 2001·Granted Mar 16, 2004·22 cites·10 claims
- 0485US7233489B2Memory card drive and portable memory card driveSONY CORP·Filed 2001·Granted Jun 19, 2007·34 cites·5 claims
- 0583US6657938B1Disk having expanded elapsed time informationSONY CORP·Filed 2000·Granted Dec 2, 2003·19 cites·27 claims
- 0680US6804188B1Data recording medium, data recording apparatus and method, and data reproducing apparatus and methodSONY CORP·Filed 2000·Granted Oct 12, 2004·15 cites·13 claims
- 0756US6226247B1Data recording apparatus that identifies the type of data in each block of dataSONY CORP·Filed 1996·Granted May 1, 2001·13 cites·6 claims
- 0836US2018248100A1Thermoelectric element, thermoelectric module and method of manufacturing thermoelectric elementSHOWA DENKO KK·Filed 2018·Application pending·0 cites
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