Inventor · disambiguated record
Takafumi Oka
Also filed as: OKA TAKAFUMI
17 granted patents·4 pending applications·241 citations·filing 1977–2023
93Inventor score
Top patents by PatentIndex Score
21 records- 0192US4908793AStorage apparatus including a semiconductor memory and a disk driveHITACHI LTD·Filed 1987·Granted Mar 13, 1990·50 cites·3 claims
- 0290US4698810AData recording and reproducing system with error correction capability using ECC and CRC codesHITACHI LTD·Filed 1984·Granted Oct 6, 1987·38 cites·4 claims
- 0390US4638472AInformation recording system and method for using alternative record area in writing and reading of data on optical diskHITACHI LTD·Filed 1984·Granted Jan 20, 1987·34 cites·8 claims
- 0488US7456039B1Method for manufacturing semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Nov 25, 2008·11 cites·3 claims
- 0583US4775979AError correction systemHITACHI LTD·Filed 1986·Granted Oct 4, 1988·41 cites·4 claims
- 0679US9024868B2Mobile electronic deviceOKA TAKAFUMI·Filed 2010·Granted May 5, 2015·8 cites·17 claims
- 0779US7751456B2Method for manufacturing semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jul 6, 2010·6 cites·6 claims
- 0873US7585688B2Method for manufacturing semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Sep 8, 2009·4 cites·4 claims
- 0964US5774742APeripheral device using two microprocessors and two buses for automatically updating program after judging that update data is stored in a portable recording mediumHITACHI LTD·Filed 1995·Granted Jun 30, 1998·25 cites·9 claims
- 1063US7611916B2Method of manufacturing semiconductor optical elementMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Nov 3, 2009·2 cites·2 claims
- 1163US4160236AFeedback shift registerHITACHI LTD·Filed 1977·Granted Jul 3, 1979·10 cites·8 claims
- 1258US8730173B2Electronic device with predictive candidate selection based on character inputISHIKAWA SHUUJI·Filed 2009·Granted May 20, 2014·3 cites·7 claims
- 1355US2024115959A1Program, information processing device, method, and systemCYGAMES INC·Filed 2023·Application pending·0 cites
- 1449US7897418B2Method for manufacturing semiconductor light emitting deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Mar 1, 2011·0 cites·20 claims
- 1546US2009184336A1Semiconductor light emitting device and manufacturing method thereforMITSUBISHI ELECTRIC CORP·Filed 2008·Application pending·0 cites
- 1642US9024900B2Electronic device and method of controlling sameISHIZAKI SHINYA·Filed 2011·Granted May 5, 2015·0 cites·13 claims
- 1742US5748967AProgram rewriting method and apparatus for multiprocessor systemHITACHI LTD·Filed 1994·Granted May 5, 1998·9 cites·16 claims
- 1840US11139638B2Static charge eliminator and static charge elimination methodMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Oct 5, 2021·0 cites·14 claims
- 1939US7879684B2Method for manufacturing semiconductor light-emitting elementMITSUBISHI ELECTRIC CORP·Filed 2010·Granted Feb 1, 2011·0 cites·5 claims
- 2037US2011193126A1Semiconductor light-emitting element and method for manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
- 2136US2010244074A1Semiconductor light-emitting device and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →