Inventor · disambiguated record
Yoshimichi Tanizawa
Also filed as: TANIZAWA YOSHIMICHI
70 granted patents·28 pending applications·264 citations·filing 2004–2025
98Inventor score
Top patents by PatentIndex Score
98 records- 0198US10057058B2Quantum-key distribution apparatus, quantum-key distribution method, and computer program productTOSHIBA KK·Filed 2016·Granted Aug 21, 2018·86 cites·11 claims
- 0295US9083684B2Communication node, key synchronization method, and key synchronization systemTOSHIBA KK·Filed 2013·Granted Jul 14, 2015·29 cites·9 claims
- 0392US12341879B2Key management device, quantum cryptography communication system, and computer program productTOSHIBA KK·Filed 2022·Granted Jun 24, 2025·3 cites·10 claims
- 0491US9503257B2Quantum key distribution device, quantum key distribution system, and quantum key distribution methodTOSHIBA KK·Filed 2015·Granted Nov 22, 2016·10 cites·11 claims
- 0591US9356780B2Device, method, and system for encrypted communication by using encryption keyTOSHIBA KK·Filed 2014·Granted May 31, 2016·17 cites·8 claims
- 0690US11936636B2Communication device, communication method, and communication systemTOSHIBA KK·Filed 2022·Granted Mar 19, 2024·2 cites·10 claims
- 0786US9569731B2Quantum communication device, quantum communication method, and computer program productTOSHIBA KK·Filed 2015·Granted Feb 14, 2017·9 cites·11 claims
- 0882US10291400B2Quantum key distribution device, quantum key distribution system, and quantum key distribution methodTOSHIBA KK·Filed 2016·Granted May 14, 2019·4 cites·11 claims
- 0982US9755828B2Communication device, communication method, computer program product, and communication systemTOSHIBA KK·Filed 2015·Granted Sep 5, 2017·4 cites·12 claims
- 1081US10567089B2Transmission device, multi-quantum communication system, and multi-quantum communication methodTOSHIBA KK·Filed 2017·Granted Feb 18, 2020·3 cites·5 claims
- 1181US10020893B2Communication device, quantum key distribution system, quantum key distribution method, and computer program productTOSHIBA KK·Filed 2016·Granted Jul 10, 2018·4 cites·10 claims
- 1281US9240882B2Key generating device and key generating methodTANIZAWA YOSHIMICHI·Filed 2012·Granted Jan 19, 2016·6 cites·8 claims
- 1380US9197608B2Communication method, application device, program, and communication systemTOSHIBA KK·Filed 2013·Granted Nov 24, 2015·5 cites·17 claims
- 1478US10623180B2Communication device, communication method, and communication systemTOSHIBA KK·Filed 2017·Granted Apr 14, 2020·3 cites·7 claims
- 1577US10103818B2Transmitting device, quantum communication system, and quantum communication methodTOSHIBA KK·Filed 2017·Granted Oct 16, 2018·3 cites·7 claims
- 1677US9755826B2Quantum key distribution device, quantum key distribution system, and quantum key distribution methodTOSHIBA KK·Filed 2015·Granted Sep 5, 2017·3 cites·11 claims
- 1775US9455827B2Communication apparatus, computer program product, and communication systemTOSHIBA KK·Filed 2014·Granted Sep 27, 2016·4 cites·9 claims
- 1874US8307200B2Apparatus, method and computer program product for authenticating communication terminalTANIZAWA YOSHIMICHI·Filed 2007·Granted Nov 6, 2012·6 cites·18 claims
- 1973US9059746B2Data sharing method, transmitter, receiver and data sharing systemTOSHIBA KK·Filed 2013·Granted Jun 16, 2015·5 cites·8 claims
- 2072US10630464B2Communication device, communication system, and communication method allocating shared keys to plural channelsTOSHIBA KK·Filed 2017·Granted Apr 21, 2020·2 cites·10 claims
- 2172US10439807B2Communication device, communication system, and communication methodTOSHIBA KK·Filed 2017·Granted Oct 8, 2019·2 cites·12 claims
- 2271US10341097B2Communication device, quantum key distribution system, quantum key distribution method, and computer program productTOSHIBA KK·Filed 2016·Granted Jul 2, 2019·2 cites·6 claims
- 2371US8782448B2Communication device for transmitting received start-up signal and power signal for starting up a designated nodeTANIZAWA YOSHIMICHI·Filed 2011·Granted Jul 15, 2014·3 cites·11 claims
- 2470US9065684B2IP phone terminal, server, authenticating apparatus, communication system, communication method, and recording mediumTANIZAWA YOSHIMICHI·Filed 2009·Granted Jun 23, 2015·3 cites·9 claims
- 2570US7984159B2Apparatus, method, and terminal apparatus for maintaining connectionTOSHIBA KK·Filed 2007·Granted Jul 19, 2011·4 cites·16 claims
- 2669US8136144B2Apparatus and method for controlling communication through firewall, and computer program productTANIZAWA YOSHIMICHI·Filed 2007·Granted Mar 13, 2012·4 cites·15 claims
- 2768US10979220B2Communication device, communication method, and communication method for performing communication using shared quantum keyTOSHIBA KK·Filed 2017·Granted Apr 13, 2021·1 cites·11 claims
- 2868US9509589B2Communication device, communication system, communication method, and computer program productTOSHIBA KK·Filed 2014·Granted Nov 29, 2016·2 cites·9 claims
- 2968US9467284B2Transmitter, receiver, quantum key distribution (QKD) system and quantum key distribution methodTOSHIBA KK·Filed 2014·Granted Oct 11, 2016·2 cites·5 claims
- 3067US9450929B2Communication device, communication system, and computer program productTOSHIBA KK·Filed 2013·Granted Sep 20, 2016·2 cites·13 claims
- 3167US8578455B2Method and apparatus for authenticating terminal device, and terminal deviceESAKA NAOKI·Filed 2007·Granted Nov 5, 2013·4 cites·9 claims
- 3267US7443983B2Communication apparatus and methodTOSHIBA KK·Filed 2004·Granted Oct 28, 2008·15 cites·14 claims
- 3366US9106406B2Communication apparatus and key managing methodBABA SHINICHI·Filed 2012·Granted Aug 11, 2015·2 cites·7 claims
- 3466US9054890B2Communication apparatusTANIZAWA YOSHIMICHI·Filed 2012·Granted Jun 9, 2015·1 cites·2 claims
- 3563US11595197B2Communication device, communication method, and communication method for performing communication using shared quantum keyTOSHIBA KK·Filed 2021·Granted Feb 28, 2023·0 cites·6 claims
- 3663US8583794B2Apparatus, method, and computer program product for registering user address informationTANIZAWA YOSHIMICHI·Filed 2008·Granted Nov 12, 2013·2 cites·19 claims
- 3762US9049012B2Secured cryptographic communication systemTOSHIBA KK·Filed 2013·Granted Jun 2, 2015·1 cites·7 claims
- 3862US8959581B2Switching apparatus, authentication server, authentication system, authentication method, and computer program productTANIZAWA YOSHIMICHI·Filed 2009·Granted Feb 17, 2015·2 cites·15 claims
- 3961US10291590B2Communication system, communication apparatus, communication method, and computer program productTOSHIBA KK·Filed 2015·Granted May 14, 2019·1 cites·13 claims
- 4061US9019959B2Node, switch, and systemTANIZAWA YOSHIMICHI·Filed 2011·Granted Apr 28, 2015·1 cites·11 claims
- 4160US9652620B2Quantum communication device, quantum communication method, and computer program productTOSHIBA KK·Filed 2014·Granted May 16, 2017·1 cites·11 claims
- 4260US9350542B2Quantum key distribution device, quantum key distribution system, and quantum key distribution methodTOSHIBA KK·Filed 2015·Granted May 24, 2016·1 cites·8 claims
- 4356US2024204993A1Multiplexing device, qkd system, qkd device, multiplexing method, and adjustment methodTOSHIBA KK·Filed 2023·Application pending·0 cites
- 4456US2025097031A1Information processing device, qkd network system, information processing method, and computer program productTOSHIBA KK·Filed 2024·Application pending·0 cites
- 4555US2025070964A1Information processing device, information processing method, computer program product, and information processing systemTOSHIBA KK·Filed 2024·Application pending·0 cites
- 4654US2024313954A1Control device, quantum cryptographic communication system, control method, and computer program productTOSHIBA KK·Filed 2023·Application pending·0 cites
- 4753US2025286708A1Information processing device, quantum cryptographic communication system, information processing method, and computer program productTOSHIBA KK·Filed 2025·Application pending·0 cites
- 4853US2025293867A1Control device, quantum key distribution system, control method, and computer program productTOSHIBA KK·Filed 2025·Application pending·0 cites
- 4952US12489610B2Forwarding device, key management server device, communication system, forwarding method, and computer program productTOSHIBA KK·Filed 2021·Granted Dec 2, 2025·0 cites·1 claims
- 5052US12206770B2Quantum cryptography storage system, distribution control device, and computer program productTOSHIBA KK·Filed 2022·Granted Jan 21, 2025·0 cites·10 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →