Inventor · disambiguated record
Yasunao Katayama
Also filed as: KATAYAMA YASUNAO
54 granted patents·6 pending applications·926 citations·filing 1991–2022
98Inventor score
Top patents by PatentIndex Score
60 records- 0196US6199139B1Refresh period control apparatus and method, and computerIBM·Filed 1999·Granted Mar 6, 2001·212 cites·27 claims
- 0290US5867180AIntelligent media memory statically mapped in unified memory architectureIBM·Filed 1997·Granted Feb 2, 1999·127 cites·7 claims
- 0389US5901304AEmulating quasi-synchronous DRAM with asynchronous DRAMIBM·Filed 1997·Granted May 4, 1999·76 cites·10 claims
- 0489US5883814ASystem-on-chip layout compilationIBM·Filed 1997·Granted Mar 16, 1999·155 cites·11 claims
- 0588US5926839AMethod and apparatus of burst read and pipelined dynamic random access memory having multiple pipelined stages with DRAM controller and buffers integrated on a single chipIBM·Filed 1996·Granted Jul 20, 1999·74 cites·5 claims
- 0688US5875452ADRAM/SRAM with uniform access time using buffers, write back, address decode, read/write and refresh controllersIBM·Filed 1996·Granted Feb 23, 1999·110 cites·18 claims
- 0783US8768338B2Base station power control in a mobile networkIBM·Filed 2012·Granted Jul 1, 2014·5 cites·24 claims
- 0882US9300436B2Signal compensation in high-speed communicationIBM·Filed 2014·Granted Mar 29, 2016·6 cites·10 claims
- 0979US9696538B2Optical interconnect device, information processing device and data transmission methodIBM·Filed 2014·Granted Jul 4, 2017·5 cites·19 claims
- 1076US9066289B2Packet communication system, communication method and programIBM·Filed 2013·Granted Jun 23, 2015·3 cites·17 claims
- 1173US10579550B2Low overhead exclusive control for shared memory objectsIBM·Filed 2017·Granted Mar 3, 2020·1 cites·14 claims
- 1273US8756456B2Control and monitoring for fast millimeter-wave link using out-of-band wireless channelKATAYAMA YASUNAO·Filed 2012·Granted Jun 17, 2014·3 cites·13 claims
- 1371US8768337B2Base station power control in a mobile networkIBM·Filed 2012·Granted Jul 1, 2014·2 cites·12 claims
- 1471US8644667B2Backplane structure allowing setting of equal peer-to-peer communication distance between two blades arbitrarily inserted into a plurality of fixedly arranged slotsKATAYAMA YASUNAO·Filed 2011·Granted Feb 4, 2014·3 cites·17 claims
- 1570US8391815B2Radio receiver, radio communication system, radio communication method, and programKATAYAMA YASUNAO·Filed 2010·Granted Mar 5, 2013·2 cites·16 claims
- 1670US6721919B1Shared encoder used in error correction having multiple encoders of different maximum error correction capabilitiesIBM·Filed 2000·Granted Apr 13, 2004·18 cites·22 claims
- 1769US10169238B2Memory access for exactly-once messagingIBM·Filed 2016·Granted Jan 1, 2019·1 cites·20 claims
- 1869US8578239B2Calculation technique for sum-product decoding method (belief propagation method) based on scaling of input log-likelihood ratio by noise varianceKATAYAMA YASUNAO·Filed 2010·Granted Nov 5, 2013·4 cites·14 claims
- 1969US8442028B2Packet communication system, communication method and programKATAYAMA YASUNAO·Filed 2010·Granted May 14, 2013·2 cites·21 claims
- 2069US8037395B2Encoding and decoding method for packet recoveryIBM·Filed 2007·Granted Oct 11, 2011·6 cites·16 claims
- 2169US7010738B2Combinational circuit, and encoder, decoder and semiconductor device using this combinational circuitIBM·Filed 2002·Granted Mar 7, 2006·16 cites·19 claims
- 2268US8838661B2Radix-8 fixed-point FFT logic circuit characterized by preservation of square root-i operationKATAYAMA YASUNAO·Filed 2011·Granted Sep 16, 2014·2 cites·14 claims
- 2368US7534710B2Coupled quantum well devices (CQWD) containing two or more direct selective contacts and methods of making sameIBM·Filed 2005·Granted May 19, 2009·4 cites·11 claims
- 2465US8902694B2Integrity check of measured signal trace dataIBM·Filed 2013·Granted Dec 2, 2014·1 cites·10 claims
- 2565US5416371ASense system for dynamic random access memoryIBM·Filed 1991·Granted May 16, 1995·28 cites·17 claims
- 2664US8005161B2Method, hardware product, and computer program product for performing high data rate wireless transmissionIBM·Filed 2008·Granted Aug 23, 2011·2 cites·12 claims
- 2764US7296209B2Apparatus for encoding and decodingIBM·Filed 2003·Granted Nov 13, 2007·13 cites·21 claims
- 2863US8943362B2Control and monitoring for fast millimeter-wave link using out-of-band wireless channelKATAYAMA YASUNAO·Filed 2012·Granted Jan 27, 2015·1 cites·7 claims
- 2963US8289087B2Method for detecting and correcting phase shift between I data clock in Q data clock in quadrature modulator or quadrature demodulatorKATAYAMA YASUNAO·Filed 2010·Granted Oct 16, 2012·3 cites·6 claims
- 3063US6928601B2Decoding circuit, and decoder, decoding method and semiconductor device that use the decoding circuitIBM·Filed 2002·Granted Aug 9, 2005·12 cites·25 claims
- 3160US6487691B1Reed-solomon decoderIBM·Filed 1999·Granted Nov 26, 2002·21 cites·7 claims
- 3257US10209925B2Queue control for shared memory accessIBM·Filed 2017·Granted Feb 19, 2019·0 cites·13 claims
- 3356US9794877B2Transmitting device, receiving device, communication device, programs, transmission method, and receiving method for wireless communication of continuous data in the form of packetsIBM·Filed 2014·Granted Oct 17, 2017·0 cites·4 claims
- 3456US2023222368A1Neural network architecture for concurrent learning with antidromic spikesIBM·Filed 2022·Application pending·0 cites
- 3555US10585818B2Low overhead exclusive control for shared memory objectsIBM·Filed 2017·Granted Mar 10, 2020·0 cites·6 claims
- 3655US10223032B2Queue control for shared memory accessIBM·Filed 2017·Granted Mar 5, 2019·0 cites·7 claims
- 3754US9860838B2Transmitting device, receiving device, communication device, programs, transmission method, and receiving method for wireless communication of continuous data in the form of packetsIBM·Filed 2017·Granted Jan 2, 2018·0 cites·18 claims
- 3852US10204050B2Memory-side caching for shared memory objectsIBM·Filed 2017·Granted Feb 12, 2019·0 cites·19 claims
- 3952US6912558B2Multiplication module, multiplicative inverse arithmetic circuit, multiplicative inverse arithmetic control method, apparatus employing multiplicative inverse arithmetic circuit, and cryptographic apparatus and error correction decoder thereforIBM·Filed 2001·Granted Jun 28, 2005·3 cites·33 claims
- 4052US2015088292A1Method of providing data for minimizing difference between dimensions of three-dimensional structure formed by laser radiation and design values of scan path of such three-dimensional structure and computer and computer program for providing such dataIBM·Filed 2014·Application pending·0 cites
- 4151US10082974B2Information processing system, wireless communication apparatus, method and programIBM·Filed 2015·Granted Sep 25, 2018·0 cites·9 claims
- 4251US8755760B2Radio receiver, radio communication system, radio communication method, and programKATAYAMA YASUNAO·Filed 2012·Granted Jun 17, 2014·0 cites·4 claims
- 4350US9996290B2Information processing system, wireless communication apparatus, method and programIBM·Filed 2015·Granted Jun 12, 2018·0 cites·4 claims
- 4448US2014067742A1Hybrid interconnect strategy for large-scale neural network systemsIBM·Filed 2013·Application pending·0 cites
- 4548US2014067741A1Hybrid interconnect strategy for large-scale neural network systemsIBM·Filed 2013·Application pending·0 cites
- 4647US11816552B2Dynamically reconfigurable networked virtual neurons for neural network processingIBM·Filed 2017·Granted Nov 14, 2023·0 cites·18 claims
- 4747US2009125562A1Methods and systems involving checking memory integrityIBM·Filed 2007·Application pending·0 cites
- 4845US8949296B2Method for controlling file request accessIBM·Filed 2012·Granted Feb 3, 2015·0 cites·12 claims
- 4945US8913458B2Integrity check of measured signal trace dataIBM·Filed 2013·Granted Dec 16, 2014·0 cites·3 claims
- 5044US10839289B2Neural network processing with von-Neumann coresIBM·Filed 2016·Granted Nov 17, 2020·0 cites·13 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →