Inventor · disambiguated record
Fujio Watanabe
Also filed as: WATANABE FUJIO
54 granted patents·24 pending applications·1,638 citations·filing 1996–2024
99Inventor score
Top patents by PatentIndex Score
78 records- 0198US7769397B2Method and apparatus for dormant mode support with pagingNTT DOCOMO INC·Filed 2008·Granted Aug 3, 2010·112 cites·11 claims
- 0295US7656831B2Method and apparatus for power saving in beacon generation of wireless networks in ad hoc modeNTT DOCOMO INC·Filed 2006·Granted Feb 2, 2010·44 cites·17 claims
- 0395US7417971B2Method and apparatus for dormant mode support with pagingNTT DOCOMO INC·Filed 2005·Granted Aug 26, 2008·45 cites·32 claims
- 0495US7161914B2Context aware application level triggering mechanism for pre-authentication, service adaptation, pre-caching and handover in a heterogeneous network environmentNTT DOCOMO INC·Filed 2002·Granted Jan 9, 2007·154 cites·42 claims
- 0595US6834192B1Method, and associated apparatus, for effectuating handover of communications in a bluetooth, or other, radio communication systemNOKIA CORP·Filed 2000·Granted Dec 21, 2004·186 cites·16 claims
- 0692US8504035B2System and method for population tracking, counting, and movement estimation using mobile operational data and/or geographic information in mobile networkSHIN HYUNG SIK·Filed 2011·Granted Aug 6, 2013·37 cites·20 claims
- 0792US7907582B2Method and apparatus for access point selection in wireless LANNTT DOCOMO INC·Filed 2007·Granted Mar 15, 2011·24 cites·34 claims
- 0892US7072657B2Method and associated apparatus for pre-authentication, preestablished virtual private network in heterogeneous access networksNTT DOCOMO INC·Filed 2002·Granted Jul 4, 2006·89 cites·16 claims
- 0990US8280387B2Femtocell channel assignment and power control for improved femtocell coverage and efficient cell searchGUVENC ISMAIL·Filed 2009·Granted Oct 2, 2012·16 cites·8 claims
- 1090US8155013B2Synchronized multi-link transmission in an ARQ-enabled multi-hop wireless networkJEONG MOO RYONG·Filed 2008·Granted Apr 10, 2012·19 cites·24 claims
- 1190US7447148B2Method for supporting scalable and reliable multicast in TDMA/TDD systems using feedback suppression techniquesNTT DOCOMO INC·Filed 2004·Granted Nov 4, 2008·65 cites·30 claims
- 1289US6285662B1Apparatus, and associated method for selecting a size of a contention window for a packet of data systemNOKIA MOBILE PHONES LTD·Filed 1999·Granted Sep 4, 2001·170 cites·23 claims
- 1388US8504034B2System and method for population tracking, counting, and movement estimation using mobile operational data and/or geographic information in mobile networkMIYAKE MOTOHARU·Filed 2011·Granted Aug 6, 2013·8 cites·20 claims
- 1488US7995462B2Method for supporting scalable and reliable multicast in TDMA/TDD systems using feedback suppression techniquesNTT DOCOMO INC·Filed 2007·Granted Aug 9, 2011·15 cites·9 claims
- 1588US7610053B2Method and apparatus for dormant mode support with pagingNTT DOCOMO INC·Filed 2006·Granted Oct 27, 2009·11 cites·9 claims
- 1688US6731939B1Apparatus, and associated method, for allocating channels in a radio communication systemNOKIA CORP·Filed 2000·Granted May 4, 2004·60 cites·25 claims
- 1787US8010041B2Method and system for a reliable relay-associated and opportunistic cooperative transmission schemesNTT DOCOMO INC·Filed 2008·Granted Aug 30, 2011·12 cites·19 claims
- 1886US8559976B2System and method for population tracking, counting, and movement estimation using mobile operational data and/or geographic information in mobile networkMIYAKE MOTOHARU·Filed 2011·Granted Oct 15, 2013·7 cites·22 claims
- 1986US7031709B2Method and associated apparatus for increment accuracy of geographical foreign agent topology relation in heterogeneous access networksNTT DOCOMO INC·Filed 2002·Granted Apr 18, 2006·42 cites·25 claims
- 2085US7366524B2Using subnet relations for paging, authentication, association and to activate network interfaces in heterogeneous access networksNTT DOCOMO INC·Filed 2002·Granted Apr 29, 2008·44 cites·24 claims
- 2183US8218420B2Non-cyclic evolving-type user resource structure for OFDMA based system with null guard tonesCHONG CHIA-CHIN·Filed 2009·Granted Jul 10, 2012·13 cites·8 claims
- 2283US8054798B2Proxy active scan for wireless networksNTT DOCOMO INC·Filed 2004·Granted Nov 8, 2011·31 cites·31 claims
- 2383US7321587B2Handover resource optimizationNTT DOCOMO INC·Filed 2002·Granted Jan 22, 2008·36 cites·37 claims
- 2482US8527213B2Monitoring wellness using a wireless handheld deviceKAILAS ARAVIND·Filed 2010·Granted Sep 3, 2013·37 cites·8 claims
- 2582US7020440B2Method and apparatus for an SIP based paging schemeNTT DOCOMO INC·Filed 2002·Granted Mar 28, 2006·31 cites·20 claims
- 2681US8107428B2Method of ranging signal design and transmission for MIMO-OFDMA initial ranging processCHONG CHIA-CHIN·Filed 2008·Granted Jan 31, 2012·11 cites·18 claims
- 2781US7602757B2System and method for channel scanning in wireless networksNTT DOCOMO INC·Filed 2005·Granted Oct 13, 2009·8 cites·8 claims
- 2880US8428602B2Methods for enhancing performance of open-access and closed-access femtocellsGUVENC ISMAIL·Filed 2010·Granted Apr 23, 2013·4 cites·17 claims
- 2979US8843157B2Dynamic travel behavior estimation in mobile networkMIYAKE MOTOHARU·Filed 2011·Granted Sep 23, 2014·5 cites·20 claims
- 3079US8099042B2Method and system for a reliable relay-associated and opportunistic cooperative transmission schemesWANG DANDAN·Filed 2011·Granted Jan 17, 2012·6 cites·4 claims
- 3178US6944457B2Communication system, a communication device and a method for performing communicationNOKIA CORP·Filed 2002·Granted Sep 13, 2005·28 cites·15 claims
- 3275US8265203B2Method and system of differential complex and real multi-carrier demodulationXU HUILIN·Filed 2009·Granted Sep 11, 2012·8 cites·12 claims
- 3373US8131291B2Fast active scanning wireless network apparatus and methodJEONG MOO RYONG·Filed 2004·Granted Mar 6, 2012·15 cites·5 claims
- 3473US7689225B2Method and apparatus for dormant mode support with pagingNTT DOCOMO INC·Filed 2002·Granted Mar 30, 2010·11 cites·17 claims
- 3573US6357327B1Method of cutting metal pipe and its apparatusUSUI KOKUSAI SANGYO KK·Filed 2000·Granted Mar 19, 2002·20 cites·3 claims
- 3672US8208587B2Method and system for joint time-of-arrival and amplitude estimation based on a super-resolution techniqueCHONG CHIA-CHIN·Filed 2008·Granted Jun 26, 2012·9 cites·13 claims
- 3772US6317854B1Apparatus, and associated method, for selecting retransmission of packet dataNOKIA CORP·Filed 1999·Granted Nov 13, 2001·75 cites·20 claims
- 3870US7920879B2Method and apparatus for dormant mode support with pagingNTT DOCOMO INC·Filed 2007·Granted Apr 5, 2011·2 cites·14 claims
- 3969US7236475B2Using subnet relations to conserve power in a wireless communication deviceNTT DOCOMO INC·Filed 2002·Granted Jun 26, 2007·14 cites·34 claims
- 4069US6681256B1Method for dynamically selecting allocation of random access channels in a communication systemNOKIA CORP·Filed 1999·Granted Jan 20, 2004·63 cites·21 claims
- 4165US8880126B2Method and system for wireless LAN network detectionFU GUANGRUI·Filed 2006·Granted Nov 4, 2014·4 cites·6 claims
- 4265US8452293B2Methods for enhancing performance of open-access and closed-access femtocellsGUVENC ISMAIL·Filed 2012·Granted May 28, 2013·1 cites·14 claims
- 4364US7792527B2Wireless network handoff keyNTT DOCOMO INC·Filed 2002·Granted Sep 7, 2010·9 cites·21 claims
- 4464US7397805B2Systems and methods for goodput guarantee through adaptive fair queuingNTT DOCOMO INC·Filed 2003·Granted Jul 8, 2008·9 cites·27 claims
- 4560US10332180B2Method and apparatus for proximity service discoveryKOZAT ULAS C·Filed 2015·Granted Jun 25, 2019·1 cites·29 claims
- 4660US8194623B2Evolving-type user resource structure/channelization with enhanced diversity for OFDMA based time-varying channelsCHONG CHIA-CHIN·Filed 2009·Granted Jun 5, 2012·2 cites·23 claims
- 4759US7890105B2Method and associated apparatus for increment accuracy of geographical foreign agent topology relation in heterogeneous access networksNTT DOCOMO INC·Filed 2005·Granted Feb 15, 2011·1 cites·29 claims
- 4857US8510442B2Method and apparatus for dormant mode support with pagingFUNATO DAICHI·Filed 2007·Granted Aug 13, 2013·1 cites·10 claims
- 4956US2003195858A1Distributed information storage, authentication and authorization systemFiled 2002·Application pending·0 cites
- 5056US2009175454A1Wireless network handoff keyWATANABE FUJIO·Filed 2009·Application pending·0 cites
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →