Inventor · disambiguated record
Akihiro Tanaka
Also filed as: TANAKA AKIHIRO
174 granted patents·43 pending applications·1,921 citations·filing 1982–2025
99Inventor score
Top patents by PatentIndex Score
217 records- 0198US6704933B1Program configuration management apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 9, 2004·165 cites·8 claims
- 0296US6847595B2Lens actuatorRICOH KK·Filed 2003·Granted Jan 25, 2005·52 cites·7 claims
- 0395US6505866B1Pipe jointTOKYO GAS CO LTD·Filed 2000·Granted Jan 14, 2003·101 cites·14 claims
- 0493US7416451B2Card adapterHOSIDEN CORP·Filed 2007·Granted Aug 26, 2008·41 cites·5 claims
- 0593US7112074B2Memory card adaptorHOSIDEN CORP·Filed 2006·Granted Sep 26, 2006·33 cites·4 claims
- 0692US6134404ASheet processing apparatus having a sheet transport pathSHARP KK·Filed 1999·Granted Oct 17, 2000·61 cites·21 claims
- 0791US12025477B2Optical fiber sensor, and monitoring systemNEC CORP·Filed 2019·Granted Jul 2, 2024·6 cites·3 claims
- 0891US8041039B2Secret communications system and channel control methodNEC CORP·Filed 2007·Granted Oct 18, 2011·25 cites·25 claims
- 0991US7613396B2Multiplexing communication system and crosstalk elimination methodNEC CORP·Filed 2005·Granted Nov 3, 2009·21 cites·8 claims
- 1090US8184989B2Communication system and timing control methodMAEDA WAKAKO·Filed 2006·Granted May 22, 2012·19 cites·44 claims
- 1190US7364820B2Card connectorHOSIDEN CORP·Filed 2006·Granted Apr 29, 2008·23 cites·7 claims
- 1288US10483479B2Method of manufacturing organic light emitting device and organic light emitting devicePIONEER CORP·Filed 2016·Granted Nov 19, 2019·5 cites·16 claims
- 1387US11276302B2Traffic monitoring apparatus and method of using the sameNEC CORP·Filed 2020·Granted Mar 15, 2022·2 cites·20 claims
- 1487US10718725B2X-ray inspection apparatus and correction method for X-ray inspection apparatusANRITSU INFIVIS CO LTD·Filed 2018·Granted Jul 21, 2020·4 cites·12 claims
- 1587USD854744SCosmetic applicatorSINWA CORP·Filed 2017·Granted Jul 23, 2019·27 cites·1 claims
- 1687US8204231B2Method and device for managing cryptographic keys in secret communications networkMAEDA WAKAKO·Filed 2008·Granted Jun 19, 2012·16 cites·36 claims
- 1787US7994258B2Hyperbranched polymer having nitroxyl groupNISSAN CHEMICAL IND LTD·Filed 2008·Granted Aug 9, 2011·5 cites·7 claims
- 1887US7933905B2Universal-hash-function-family calculation unit and shared-key generation systemNEC CORP·Filed 2006·Granted Apr 26, 2011·17 cites·6 claims
- 1987US7907850B2Optical communication device and quantum key distribution system using the sameNEC CORP·Filed 2007·Granted Mar 15, 2011·13 cites·30 claims
- 2087US7734757B2Method and system for managing shared informationNEC CORP·Filed 2007·Granted Jun 8, 2010·16 cites·23 claims
- 2186US11762160B2Submarine device, method of configuring submarine device, and submarine cable systemNEC CORP·Filed 2021·Granted Sep 19, 2023·2 cites·10 claims
- 2286US8949300B2Circuit and method for controlling quality of random numbersTANAKA AKIHIRO·Filed 2007·Granted Feb 3, 2015·14 cites·33 claims
- 2386US8138640B2Rotating electric machine and cooling system for the rotating electric machineURANO HIROAKI·Filed 2009·Granted Mar 20, 2012·14 cites·4 claims
- 2486US7145128B2Light receiving device for optical encoder, and optical encoder, including first and second photodiodes arranged in perpendicular directions and irradiated through openings of a light shielding layerTOSHIBA KK·Filed 2005·Granted Dec 5, 2006·14 cites·18 claims
- 2586US7114889B2Powdery particle conveying system and roots blower operating methodNISSHIN SEIFUN GROUP INC·Filed 2003·Granted Oct 3, 2006·38 cites·8 claims
- 2686US6782006B1Digital broadcasting apparatus which adjusts bitrates of source data items composing additional informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 24, 2004·24 cites·21 claims
- 2786US6339511B1Lens actuator and optical disk recording and reading apparatus using the sameRICOH KK·Filed 2000·Granted Jan 15, 2002·20 cites·11 claims
- 2886US6127947AVehicle information communication device and vehicle information communication systemTOYOTA JIDOSHA KABUSHIKI KAISA·Filed 1997·Granted Oct 3, 2000·153 cites·13 claims
- 2985US10355124B1Semiconductor deviceTOSHIBA KK·Filed 2018·Granted Jul 16, 2019·5 cites·10 claims
- 3084US11143528B2Optical fiber sensor and analysis methodNEC CORP·Filed 2019·Granted Oct 12, 2021·2 cites·20 claims
- 3184US10976254B2Fire detection system, receiver, and fire detection methodNEC CORP·Filed 2017·Granted Apr 13, 2021·2 cites·20 claims
- 3283US7404741B2Memory card adaptorHOSIDEN CORP·Filed 2006·Granted Jul 29, 2008·11 cites·3 claims
- 3383US5752316AOrifice plate for injector and method of manufacturing the sameAISAN IND·Filed 1996·Granted May 19, 1998·42 cites·1 claims
- 3482US11357307B2Cosmetic applicatorSINWA CORP·Filed 2017·Granted Jun 14, 2022·2 cites·4 claims
- 3582US9112677B2Communication device and cryptographic key creation method in cryptographic key sharing systemTANAKA AKIHIRO·Filed 2012·Granted Aug 18, 2015·6 cites·15 claims
- 3682US7255604B2Card connectorHOSIDEN CORP·Filed 2005·Granted Aug 14, 2007·5 cites·38 claims
- 3781US10411802B2Optical communication device, optical communication system, and optical communication methodNEC CORP·Filed 2016·Granted Sep 10, 2019·4 cites·8 claims
- 3881US9673568B2Plug connectorHOSIDEN CORP·Filed 2015·Granted Jun 6, 2017·5 cites·20 claims
- 3981US8718485B2Quantum key distribution system, optical transmitter, optical modulation control circuit, and optical modulation control methodTANAKA AKIHIRO·Filed 2008·Granted May 6, 2014·8 cites·23 claims
- 4081US7280475B2Data transfer deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 9, 2007·19 cites·8 claims
- 4181US4956833AObjective driving device for an optical disk apparatusASAHI OPTICAL CO LTD·Filed 1989·Granted Sep 11, 1990·28 cites·22 claims
- 4280US7783042B2Communication system and synchronization method thereofNEC CORP·Filed 2005·Granted Aug 24, 2010·9 cites·27 claims
- 4380US7463586B2Data transfer device to transfer repeat data from an upper station to a lower stationPANASONIC CORP·Filed 2007·Granted Dec 9, 2008·5 cites·13 claims
- 4480US7255606B2Memory card adaptorHOSIDEN CORP·Filed 2006·Granted Aug 14, 2007·10 cites·3 claims
- 4580US6951030B2Data broadcast apparatus capable of stopping reproduction of broadcast data in reception apparatus when an event requiring to stop the reproduction of the broadcast data occursMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 27, 2005·19 cites·42 claims
- 4680US6704255B2Lens actuatorRICOH KK·Filed 2001·Granted Mar 9, 2004·12 cites·11 claims
- 4780US5068844AObjective lens mount utilizing leaf springsASAHI OPTICAL CO LTD·Filed 1989·Granted Nov 26, 1991·20 cites·7 claims
- 4880US4654139AFlocculation basin in water treatment processHITACHI LTD·Filed 1985·Granted Mar 31, 1987·44 cites·14 claims
- 4979US12210205B2Submarine device, method of configuring submarine device, and submarine cable systemNEC CORP·Filed 2021·Granted Jan 28, 2025·1 cites·13 claims
- 5078US9160529B2Secret communication system and method for generating shared secret informationTAJIMA AKIO·Filed 2006·Granted Oct 13, 2015·9 cites·18 claims
Showing the top 50 of 217 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →