Inventor · disambiguated record
Takayuki Hasebe
Also filed as: HASEBE TAKAYUKI
64 granted patents·9 pending applications·3,054 citations·filing 1992–2022
99Inventor score
Top patents by PatentIndex Score
73 records- 0198US5392351AElectronic data protection systemFUJITSU LTD·Filed 1993·Granted Feb 21, 1995·373 cites·10 claims
- 0294US6898708B2Device for reproducing dataFUJITSU LTD·Filed 2000·Granted May 24, 2005·123 cites·9 claims
- 0393US5796824AStorage medium for preventing an irregular use by a third partyFUJITSU LTD·Filed 1996·Granted Aug 18, 1998·163 cites·16 claims
- 0492US5737413AInformation distribution system wherein storage medium storing ciphered information is distributedFUJITSU LTD·Filed 1995·Granted Apr 7, 1998·180 cites·28 claims
- 0590US6999948B1Memory cardSANYO ELECTRIC CO·Filed 2000·Granted Feb 14, 2006·57 cites·10 claims
- 0690US5621794AMoving-picture encipherment method and system, and enciphered moving-picture decipherment method and systemFUJITSU LTD·Filed 1995·Granted Apr 15, 1997·130 cites·32 claims
- 0790US5555304AStorage medium for preventing an illegal use by a third partyFUJITSU LTD·Filed 1994·Granted Sep 10, 1996·109 cites·28 claims
- 0888US7219227B2Data distribution system and recording device and data provision device used thereforHITACHI LTD·Filed 2000·Granted May 15, 2007·64 cites·23 claims
- 0987US7181629B1Data distribution system as well as data supply device terminal device and recording device for the sameSANYO ELECTRIC CO·Filed 2000·Granted Feb 20, 2007·66 cites·45 claims
- 1085US11545881B2Coil winding apparatus and coil winding method and a coil manufacturing method using thereofNITTOKU CO LTD·Filed 2020·Granted Jan 3, 2023·2 cites·7 claims
- 1185US5917908AFile protection system, software utilization system using the file protection system and storage medium used in the software utilization systemFUJITSU LTD·Filed 1996·Granted Jun 29, 1999·44 cites·28 claims
- 1285US5539825AElectronic cashless transaction systemFUJITSU LTD·Filed 1994·Granted Jul 23, 1996·327 cites·6 claims
- 1384US7383446B1Recording deviceFUJITSU LTD·Filed 2000·Granted Jun 3, 2008·31 cites·18 claims
- 1483US7000114B1Apparatus to create and/or verify digital signatures having a secure time element and an identifier of the apparatusFUJITSU LTD·Filed 2000·Granted Feb 14, 2006·40 cites·7 claims
- 1582US11705792B2Coil insertion device and coil insertion methodNITTOKU CO LTD·Filed 2020·Granted Jul 18, 2023·1 cites·9 claims
- 1682US7428307B2Data reproduction apparatus capable of safely controlling reproduction time of encrypted content data and data reproduction circuit and data recording apparatus used for the sameSANYO ELECTRIC CO·Filed 2002·Granted Sep 23, 2008·16 cites·12 claims
- 1782US7340055B2Memory card and data distribution system using itSANYO ELECTRIC CO·Filed 2000·Granted Mar 4, 2008·35 cites·25 claims
- 1882US7191155B2License transmitting and distributing system under offline environment and method thereofFUJITSU LTD·Filed 2002·Granted Mar 13, 2007·39 cites·16 claims
- 1982US5499299AModular arithmetic operation systemFUJITSU LTD·Filed 1994·Granted Mar 12, 1996·101 cites·11 claims
- 2082US5428684AElectronic cashless transaction systemFUJITSU LTD·Filed 1992·Granted Jun 27, 1995·275 cites·14 claims
- 2181US8051302B1Data distributing system and recording medium used for itFUJITSU LTD·Filed 2000·Granted Nov 1, 2011·21 cites·12 claims
- 2281US7272720B2Date-and-time management device and signature generation apparatus with date-and-time management functionFUJITSU LTD·Filed 2001·Granted Sep 18, 2007·20 cites·31 claims
- 2380US8413211B2Access control policy compliance check processTOKUTANI TAKASHI·Filed 2009·Granted Apr 2, 2013·16 cites·10 claims
- 2480US5935243ALicensee notification systemFUJITSU LTD·Filed 1996·Granted Aug 10, 1999·95 cites·14 claims
- 2579US5838791AEncoder and decoderFUJITSU LTD·Filed 1995·Granted Nov 17, 1998·62 cites·10 claims
- 2678US7203312B1Data reproduction apparatus and data reproduction moduleSANYO ELECTRIC CO·Filed 2000·Granted Apr 10, 2007·28 cites·41 claims
- 2777US7783895B2Method and apparatus for encrypting data to be secured and inputting/outputting the sameSANYO ELECTRIC CO·Filed 2004·Granted Aug 24, 2010·25 cites·6 claims
- 2877US7747538B2Memory cardFUJITSU LTD·Filed 2005·Granted Jun 29, 2010·5 cites·10 claims
- 2976US8040220B2Method and apparatus for managing tag information, and computer productFUJITSU LTD·Filed 2006·Granted Oct 18, 2011·4 cites·6 claims
- 3076US7013392B1File processing unitFUJITSU LTD·Filed 2000·Granted Mar 14, 2006·24 cites·17 claims
- 3175US10298578B2Communication relay device, communication network, and communication relay methodFUJITSU LTD·Filed 2016·Granted May 21, 2019·2 cites·10 claims
- 3275US5584022AEnciphered file sharing methodFUJITSU LTD·Filed 1993·Granted Dec 10, 1996·66 cites·12 claims
- 3374US10567401B2Device and method for detecting attack in networkFUJITSU LTD·Filed 2017·Granted Feb 18, 2020·2 cites·9 claims
- 3474US8553886B2Method, system, and computer product for managing radio-tag, managing advertisement, and using radio tagSAKAI ATSUSHI·Filed 2006·Granted Oct 8, 2013·3 cites·19 claims
- 3573US5440631AInformation distribution system wherein storage medium storing ciphered information is distributedFUJITSU LTD·Filed 1993·Granted Aug 8, 1995·55 cites·41 claims
- 3672US7158641B2RecorderFUJITSU LTD·Filed 2000·Granted Jan 2, 2007·5 cites·14 claims
- 3772US5325433AEncryption communication systemFUJITSU LTD·Filed 1993·Granted Jun 28, 1994·64 cites·16 claims
- 3871US5832083AMethod and device for utilizing data contentFUJITSU LTD·Filed 1995·Granted Nov 3, 1998·73 cites·43 claims
- 3968US7716746B2Data storing device for classified dataSANYO ELECTRIC CO·Filed 2003·Granted May 11, 2010·14 cites·16 claims
- 4066US7599890B2Content data storageSANYO ELECTRIC CO·Filed 2001·Granted Oct 6, 2009·11 cites·17 claims
- 4162US7650328B2Data storage device capable of storing multiple sets of history information on input/output processing of security data without duplicationSANYO ELECTRIC CO·Filed 2003·Granted Jan 19, 2010·9 cites·8 claims
- 4259US7945517B2Data distribution system and recording device for use thereinSANYO ELECTRIC CO·Filed 2000·Granted May 17, 2011·7 cites·10 claims
- 4357US7721346B2Method and apparatus for encrypting data to be secured and inputting/outputting the sameSANYO ELECTRIC CO·Filed 2004·Granted May 18, 2010·3 cites·15 claims
- 4456US8205077B2Management apparatusNODA BINTATSU·Filed 2009·Granted Jun 19, 2012·2 cites·4 claims
- 4555US7325247B2Information management method using a recording medium with a secure area and a user-use areaFUJITSU LTD·Filed 2001·Granted Jan 29, 2008·4 cites·22 claims
- 4655US6385726B1Software license protection via cryptographyFUJITSU LTD·Filed 1997·Granted May 7, 2002·29 cites·20 claims
- 4755US5761651ASoftware charging system and software data utilization permitting deviceFUJITSU LTD·Filed 1995·Granted Jun 2, 1998·84 cites·24 claims
- 4852US7010127B2Cryptographic communication method, file access system and recording mediumFUJITSU LTD·Filed 2000·Granted Mar 7, 2006·2 cites·12 claims
- 4952US5761308ASystem for refunding payment for softwareFUJITSU LTD·Filed 1996·Granted Jun 2, 1998·74 cites·11 claims
- 5051US2023253864A1Wire winding device and wire winding methodNITTOKU CO LTD·Filed 2021·Application pending·0 cites
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →