Fujio Watanabe
54Patents
17h-index
52Co-inventors
87Inventor score
Filing activity: Oct 25, 1996 → May 2, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6285662A | Apparatus, and associated method for selecting a size of a contention window for a packet of data system | Emerging Cross-Sectional Technologies | 109 | Expired |
| US7769397B2 | Method and apparatus for dormant mode support with paging | Emerging Cross-Sectional Technologies | 104 | Active |
| US6834192B1 | Method, and associated apparatus, for effectuating handover of communications in a bluetooth, or other, radio communication system | Emerging Cross-Sectional Technologies | 102 | Expired |
| US7161914B2 | Context aware application level triggering mechanism for pre-authentication, service adaptation, pre-caching and handover in a heterogeneous network environment | Electricity | 100 | Expired |
| US7072657B2 | Method and associated apparatus for pre-authentication, preestablished virtual private network in heterogeneous access networks | Electricity | 62 | Expired |
| US7447148B2 | Method for supporting scalable and reliable multicast in TDMA/TDD systems using feedback suppression techniques | Electricity | 47 | Expired |
| US6681256B1 | Method for dynamically selecting allocation of random access channels in a communication system | Electricity | 46 | Expired |
| US6317854A | Apparatus, and associated method, for selecting retransmission of packet data | Electricity | 42 | Expired |
| US6731939B1 | Apparatus, and associated method, for allocating channels in a radio communication system | Electricity | 33 | Expired |
| US8527213B2 | Monitoring wellness using a wireless handheld device | Physics | 31 | Active |
| US8504035B2 | System and method for population tracking, counting, and movement estimation using mobile operational data and/or geographic information in mobile network | Electricity | 30 | Active |
| US7656831B2 | Method and apparatus for power saving in beacon generation of wireless networks in ad hoc mode | Emerging Cross-Sectional Technologies | 29 | Active |
| US7417971B2 | Method and apparatus for dormant mode support with paging | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7366524B2 | Using subnet relations for paging, authentication, association and to activate network interfaces in heterogeneous access networks | Emerging Cross-Sectional Technologies | 26 | Expired |
| US8054798B2 | Proxy active scan for wireless networks | Electricity | 21 | Active |
| US7031709B2 | Method and associated apparatus for increment accuracy of geographical foreign agent topology relation in heterogeneous access networks | Electricity | 18 | Expired |
| US7321587B2 | Handover resource optimization | Electricity | 17 | Expired |
| US7907582B2 | Method and apparatus for access point selection in wireless LAN | Electricity | 15 | Active |
| US7020440B2 | Method and apparatus for an SIP based paging scheme | Electricity | 15 | Expired |
| US6944457B2 | Communication system, a communication device and a method for performing communication | Electricity | 13 | Expired |
| US8218420B2 | Non-cyclic evolving-type user resource structure for OFDMA based system with null guard tones | Electricity | 12 | Active |
| US8131291B2 | Fast active scanning wireless network apparatus and method | Electricity | 11 | Expired |
| US8155013B2 | Synchronized multi-link transmission in an ARQ-enabled multi-hop wireless network | Electricity | 10 | Active |
| US8280387B2 | Femtocell channel assignment and power control for improved femtocell coverage and efficient cell search | Electricity | 10 | Active |
| US7995462B2 | Method for supporting scalable and reliable multicast in TDMA/TDD systems using feedback suppression techniques | Electricity | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.