Inventor
DUAN CHUNJIE
US52 patents
⚠️ This page may combine multiple inventors who share the name “DUAN CHUNJIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RED POINT POSITIONING CORP
16 patentsUS11470448B2Oct 11, 2022
Method and system to estimate and learn the location of a radio device
RED POINT POSITIONING CORP7 citations85
US9788151B2Oct 10, 2017
Method, system, and apparatus for determining and provisioning location information of wireless devices
RED POINT POSITIONING CORP10 citations79
US11200805B2Dec 14, 2021
Method and apparatus for configuring devices to enable determination of location information
RED POINT POSITIONING CORP3 citations72
US10200886B2Feb 5, 2019
Method to estimate and compensate for NLOS bias in time difference of arrival estimate
RED POINT POSITIONING CORP4 citations72
US11519999B2Dec 6, 2022
Method and apparatus for obtaining location information after transitioning between modes of communications
RED POINT POSITIONING CORP4 citations71
US11259144B2Feb 22, 2022
Media access control (MAC) frame structure and data communication method in a real-time localization system
RED POINT POSITIONING CORP4 citations70
US10779118B2Sep 15, 2020
Media access control (MAC) frame structure and data communication method in a real-time localization system
RED POINT POSITIONING CORP3 citations70
US11682305B2Jun 20, 2023
Method and apparatus for configuring devices to enable determination of location information
RED POINT POSITIONING CORP1 citations62
US11624801B2Apr 11, 2023
Method and system for determining the location of an object based on time difference of arrival (TDOA) and angle of arrival (AOA)
RED POINT POSITIONING CORP1 citations62
US11762056B2Sep 19, 2023
Method and apparatus for determining location of an object
RED POINT POSITIONING CORP1 citations61
US12050282B2Jul 30, 2024
Method and apparatus for determining relative positioning between devices
RED POINT POSITIONING CORP0 citations60
US11619703B2Apr 4, 2023
Method and system to select a process for estimating the location of a radio device
RED POINT POSITIONING CORP1 citations60
US11259143B2Feb 22, 2022
Method and apparatus for associating or disassociating mobile devices
RED POINT POSITIONING CORP4 citations59
US12256286B2Mar 18, 2025
Method and system for self localizing radio devices in a network
RED POINT POSITIONING CORP0 citations50
US11849370B2Dec 19, 2023
Method and system to synchronize radio devices in a wireless network
RED POINT POSITIONING CORP0 citations45
US12300049B2May 13, 2025
Wireless, tag-based management of equipment- operator interactions
RED POINT POSITIONING CORP0 citations44
MITSUBISHI ELECTRIC RES LAB
10 patentsUS8384247B2Feb 26, 2013
Wireless energy transfer to moving devices
MITSUBISHI ELECTRIC RES LAB88 citations96
US7583209B1Sep 1, 2009
System and method for signaling on a bus using forbidden pattern free codes
MITSUBISHI ELECTRIC RES LAB34 citations92
US9077508B2Jul 7, 2015
Adaptively coding and modulating signals transmitted via nonlinear channels
MITSUBISHI ELECTRIC RES LAB8 citations84
US7969963B2Jun 28, 2011
Method for estimating relative clock frequency offsets to improve radio ranging errors
MITSUBISHI ELECTRIC RES LAB11 citations84
US8953670B1Feb 10, 2015
Digital power encoder for direct digital-RF transmitter
MITSUBISHI ELECTRIC RES LAB6 citations83
US8963644B2Feb 24, 2015
Reconfigurable output matching network for multiple power mode power amplifiers
MITSUBISHI ELECTRIC RES LAB8 citations82
US9054940B2Jun 9, 2015
System and method for linearizing power amplifiers
MITSUBISHI ELECTRIC RES LAB5 citations72
US9246748B2Jan 26, 2016
Optical channel data unit switch with distributed control
MITSUBISHI ELECTRIC RES LAB4 citations70
US9100265B2Aug 4, 2015
Digital power encoder for direct digital-RF transmitter
MITSUBISHI ELECTRIC RES LAB0 citations51
US8908806B2Dec 9, 2014
Method and system for communicating data wirelessly using probabilistic data association
MITSUBISHI ELECTRIC RES LAB0 citations41
DUAN CHUNJIE
8 patentsUS8498544B2Jul 30, 2013
Iterative carrier phase compensation in coherent fiber optic receivers
DUAN CHUNJIE5 citations83
US9088888B2Jul 21, 2015
Secure wireless communication using rate-adaptive codes
DUAN CHUNJIE6 citations72
US8238868B2Aug 7, 2012
Dynamic voltage scaling for packet-based data communication systems
DUAN CHUNJIE6 citations71
US8537689B2Sep 17, 2013
Method for minimizing undetectable errors in data packets in communication systems
DUAN CHUNJIE2 citations62
US8126405B2Feb 28, 2012
Method for estimating condition of wireless channels
DUAN CHUNJIE3 citations61
US8121805B2Feb 21, 2012
Method and system for determining locations of moving objects with maximum length sequences
DUAN CHUNJIE2 citations60
US8155166B2Apr 10, 2012
Reducing inter-carrier-interference in OFDM networks
DUAN CHUNJIE0 citations52
US8315205B2Nov 20, 2012
Wireless star networks with dual adaptive central nodes
DUAN CHUNJIE0 citations51
RENESAS ELECTRONICS CORP
2 patentsYIM RAYMOND
2 patentsTEO KOON HOO
2 patentsGUO JIANLIN
2 patentsORLIK PHILIP V
2 patentsREDPOINT POSITIONING CORP
1 patentMITSUBISHI ELECTRIC RES LABORATORIES INC
1 patentALSINDI NAYEF
1 patentGEZICI SINAN
1 patentTOSHIAKI KOIKE-AKINO
1 patentYERAZUNIS WILLIAM S
1 patentShowing the top 50 of 52 patents by PatentIndex Score.