Inventor
XIAO GUOHUA
US20 patents
⚠️ This page may combine multiple inventors who share the name “XIAO GUOHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AVANEX CORP
6 patentsUS6310993B1Oct 30, 2001
Method and apparatus for chromatic dispersion compensation and dispersion slope compensation in wavelength division multiplexed systems utilizing a channel separator and virtually imaged phased arrays
AVANEX CORP31 citations92
US6721509B2Apr 13, 2004
Self-adjusting optical add-drop multiplexer and optical networks using same
AVANEX CORP19 citations91
US6621625B1Sep 16, 2003
Optical node including three-stage optical amplifier with automatic gain and level control
AVANEX CORP26 citations90
US6441952B1Aug 27, 2002
Apparatus and method for channel monitoring in a hybrid distributed Raman/EDFA optical amplifier
AVANEX CORP19 citations80
US7016610B2Mar 21, 2006
Self-adjusting optical add-drop multiplexer and optical networks using same
AVANEX CORP5 citations61
US6417964B1Jul 9, 2002
Reconfigurable automatic gain control and method for optical amplifier
AVANEX CORP6 citations61
DUAN XIAODONG
5 patentsUS9986898B2Jun 5, 2018
Apparatus and method for controlling movement of a capsule endoscope in digestive tract of a human body
DUAN XIAODONG7 citations83
US9232909B2Jan 12, 2016
Computer-implemented system and method for determining the position of a remote object
DUAN XIAODONG16 citations83
US9156169B2Oct 13, 2015
System and method for orientation and movement of remote objects
DUAN XIAODONG16 citations83
US8701677B2Apr 22, 2014
System and method for determining the position of a remote object
DUAN XIAODONG21 citations83
US10143364B2Dec 4, 2018
Controlled image capturing method including position tracking and system used therein
DUAN XIAODONG4 citations72
ANKON TECHNOLOGIES CO LTD
4 patentsUS10076234B2Sep 18, 2018
Apparatus and method for controlling movement of a capsule endoscope in digestive tract of a human body
ANKON TECHNOLOGIES CO LTD10 citations83
US12226081B2Feb 18, 2025
Capsule endoscope
ANKON TECHNOLOGIES CO LTD0 citations50
US11317791B2May 3, 2022
System and method for wireless capsule endoscope with adaptive frame rate
ANKON TECHNOLOGIES CO LTD0 citations49
US10733731B2Aug 4, 2020
System and method for preprocessing capsule endoscopic image
ANKON TECHNOLOGIES CO LTD0 citations40