Inventor · disambiguated record
Osamu Udagawa
Also filed as: UDAGAWA OSAMU
9 granted patents·4 pending applications·535 citations·filing 1995–2005
92Inventor score
Files withSONY CORP13
Top patents by PatentIndex Score
13 records- 0195US6138203AInformation processing apparatus and method enabling a write-once recording medium to be utilized as a rewriteable recording mediumSONY CORP·Filed 1996·Granted Oct 24, 2000·127 cites·6 claims
- 0289US6144969AFile name conversionSONY CORP·Filed 1997·Granted Nov 7, 2000·186 cites·19 claims
- 0388US5737289AData recording apparatus adapted for recording data signals onto an optical recording mediumSONY CORP·Filed 1995·Granted Apr 7, 1998·57 cites·24 claims
- 0483US6785213B2Disk drive apparatus, and disk formatting methodSONY CORP·Filed 2001·Granted Aug 31, 2004·17 cites·25 claims
- 0578US5563862AWrite once optical disc recording apparatus with reduced data error rate because the value of asymmetry is equalized as additional data is recorded thereonSONY CORP·Filed 1995·Granted Oct 8, 1996·34 cites·8 claims
- 0674US5706261AOptical disc device capable of quick search for a boundary between recorded and unrecorded areasSONY CORP·Filed 1995·Granted Jan 6, 1998·24 cites·6 claims
- 0772US5920526AMethod for detecting a boundary between recorded and unrecorded areas on an optical discSONY CORP·Filed 1997·Granted Jul 6, 1999·21 cites·12 claims
- 0870US6134626AMethod and apparatus for recording data using multiple buffersSONY CORP·Filed 1997·Granted Oct 17, 2000·23 cites·9 claims
- 0964US5978812AInformation processor and method of information processingSONY CORP·Filed 1996·Granted Nov 2, 1999·46 cites·10 claims
- 1044US2006015826A1Hard disk multimedia player and methodSONY CORP·Filed 2005·Application pending·0 cites
- 1142US2006012564A1Hard disk multimedia player and methodSONY CORP·Filed 2005·Application pending·0 cites
- 1242US2006012565A1Hard disk multimedia player and methodSONY CORP·Filed 2005·Application pending·0 cites
- 1342US2006015808A1Hard disk multimedia player and methodSONY CORP·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →