Inventor · disambiguated record
Keisuke Toyama
Also filed as: TOYAMA KEISUKE
32 granted patents·11 pending applications·476 citations·filing 1987–2025
97Inventor score
Top patents by PatentIndex Score
43 records- 0190US7000072B1Cache memory allocation methodHITACHI LTD·Filed 2000·Granted Feb 14, 2006·70 cites·13 claims
- 0288US8713563B2Data processor with virtual machine managementKONDOH YUKI·Filed 2007·Granted Apr 29, 2014·26 cites·15 claims
- 0384US7212973B2Encoding method, encoding apparatus, decoding method, decoding apparatus and programSONY CORP·Filed 2002·Granted May 1, 2007·45 cites·33 claims
- 0483US7627469B2Audio signal encoding apparatus and audio signal encoding methodSONY CORP·Filed 2005·Granted Dec 1, 2009·23 cites·9 claims
- 0578US7933417B2Encoding device and decoding deviceSONY CORP·Filed 2006·Granted Apr 26, 2011·9 cites·6 claims
- 0678US7646197B2Semiconductor integrated circuit device and power consumption control deviceRENESAS TECH CORP·Filed 2006·Granted Jan 12, 2010·9 cites·17 claims
- 0774USRE46388EAudio coding/decoding method and apparatus using excess quantization informationSONY CORP·Filed 2015·Granted May 2, 2017·2 cites·13 claims
- 0873US6544170B1Biosignal measuring method and apparatusSHIMADZU CORP·Filed 2000·Granted Apr 8, 2003·83 cites·35 claims
- 0972US7124283B2Hardware accelerator for a platform-independent codeRENESAS TECH CORP·Filed 2003·Granted Oct 17, 2006·18 cites·12 claims
- 1072US6614365B2Coding device and method, decoding device and method, and recording mediumSONY CORP·Filed 2001·Granted Sep 2, 2003·14 cites·14 claims
- 1172US5214786ARISC system performing calls and returns without saving or restoring window pointers and delaying saving until multi-register areas are filledHITACHI LTD·Filed 1987·Granted May 25, 1993·35 cites·34 claims
- 1267US7627482B2Methods, storage medium, and apparatus for encoding and decoding sound signals from multiple channelsSONY CORP·Filed 2007·Granted Dec 1, 2009·4 cites·17 claims
- 1365US8680386B2Signal processing device, signal processing method, and programSHIBUYA TAKASHI·Filed 2011·Granted Mar 25, 2014·3 cites·8 claims
- 1465US5307502AData processing system having multiple register management for call and return operationsHITACHI LTD·Filed 1992·Granted Apr 26, 1994·32 cites·4 claims
- 1562US7583804B2Music information encoding/decoding device and methodSONY CORP·Filed 2003·Granted Sep 1, 2009·9 cites·12 claims
- 1662US2025211095A1Power conversion apparatus and program thereofDENSO CORP·Filed 2025·Application pending·0 cites
- 1761US5517664ARISC system with instructions which include register area and displacement portions for accessing data stored in registers during processingHITACHI LTD·Filed 1995·Granted May 14, 1996·28 cites·24 claims
- 1860US9002489B2Signal processing apparatus, signal processing method, and programTOYAMA KEISUKE·Filed 2011·Granted Apr 7, 2015·2 cites·15 claims
- 1959US8422695B2Sound processing apparatus, sound processing method and programNAMBA RYUICHI·Filed 2008·Granted Apr 16, 2013·2 cites·19 claims
- 2058US7529874B2Semiconductor integrated circuit device for real-time processingRENESAS TECH CORP·Filed 2006·Granted May 5, 2009·1 cites·12 claims
- 2157US8521522B2Audio coding/decoding method and apparatus using excess quantization informationMATSUMURA YUUKI·Filed 2006·Granted Aug 27, 2013·2 cites·13 claims
- 2257US6995699B2Encoding method, and encoding apparatus, and decoding method and decoding apparatusSONY CORP·Filed 2002·Granted Feb 7, 2006·5 cites·34 claims
- 2357US2025210999A1Power conversion apparatus and program productDENSO CORP·Filed 2025·Application pending·0 cites
- 2457US2025202270A1Electrical power converter and programDENSO CORP·Filed 2025·Application pending·0 cites
- 2557US2025206190A1Power conversion device and computer program product for application to the sameDENSO CORP·Filed 2025·Application pending·0 cites
- 2656US7016502B2Encoder and decoderSONY CORP·Filed 2001·Granted Mar 21, 2006·4 cites·38 claims
- 2754US6850179B2Encoding apparatus and encoding methodSONY CORP·Filed 2002·Granted Feb 1, 2005·4 cites·81 claims
- 2854US2025167696A1Power converter and non-transitory computer readable mediumDENSO CORP·Filed 2025·Application pending·0 cites
- 2953US2023285906A1Gas separation membrane and method for manufacturing sameSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 3052US9762193B2Sound processing apparatus, sound processing method and programSONY CORP·Filed 2013·Granted Sep 12, 2017·0 cites·19 claims
- 3151USRE48272EAudio coding/decoding method and apparatus using excess quantization informationSONY CORP·Filed 2017·Granted Oct 20, 2020·0 cites·15 claims
- 3250US7447640B2Acoustic signal encoding method and apparatus, acoustic signal decoding method and apparatus and recording mediumSONY CORP·Filed 2002·Granted Nov 4, 2008·1 cites·33 claims
- 3348US12013893B2Information processing apparatus information processing method to search a music piece for reproductionSONY GROUP CORP·Filed 2020·Granted Jun 18, 2024·0 cites·16 claims
- 3447US7912731B2Methods, storage medium and apparatus for encoding and decoding sound signals from multiple channelsSONY CORP·Filed 2003·Granted Mar 22, 2011·0 cites·21 claims
- 3546US2008022140A1SoC power management ensuring real-time processingRENESAS TECH CORP·Filed 2007·Application pending·0 cites
- 3644US7366661B2Information extracting deviceSONY CORP·Filed 2001·Granted Apr 29, 2008·0 cites·16 claims
- 3744US7124076B2Encoding apparatus and decoding apparatusSONY CORP·Filed 2001·Granted Oct 17, 2006·0 cites·15 claims
- 3844US2014177853A1Sound processing device, sound processing method, and programSONY CORP·Filed 2013·Application pending·0 cites
- 3943US6374131B1Biomagnetism measuring method and apparatusSHIMADZU CORP·Filed 1999·Granted Apr 16, 2002·39 cites·18 claims
- 4042US2004031022A1Information processing device for multiple instruction sets with reconfigurable mechanismFiled 2003·Application pending·0 cites
- 4141US2008184258A1Data processing systemTOYAMA KEISUKE·Filed 2007·Application pending·0 cites
- 4238US2011161644A1Information processorNOJIRI TOHRU·Filed 2009·Application pending·0 cites
- 4336US5450610ARISC system capable of performing calls and returns without advancing or restoring window pointersHITACHI LTD·Filed 1994·Granted Sep 12, 1995·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →