Inventor
HAN HONGTAO
US33 patents
⚠️ This page may combine multiple inventors who share the name “HAN HONGTAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIGITAL OPTICS CORP
14 patentsUS6374004B1Apr 16, 2002
Optical subassembly
DIGITAL OPTICS CORP53 citations96
US6661818B1Dec 9, 2003
Etalon, a wavelength monitor/locker using the etalon and associated methods
DIGITAL OPTICS CORP27 citations92
US6452669B1Sep 17, 2002
Transmission detection for vertical cavity surface emitting laser power monitor and system
DIGITAL OPTICS CORP16 citations91
US6406195B1Jun 18, 2002
Interface between opto-electronic devices and fibers
DIGITAL OPTICS CORP18 citations88
US6643420B2Nov 4, 2003
Optical subassembly
DIGITAL OPTICS CORP16 citations84
US6621976B2Sep 16, 2003
Integration of array on non-rod shaped optical elements with array of fibers in a structure and associated methods
DIGITAL OPTICS CORP11 citations74
US6533471B2Mar 18, 2003
Optical subassembly
DIGITAL OPTICS CORP5 citations74
US7208771B2Apr 24, 2007
Separating of optical integrated modules and structures formed thereby
DIGITAL OPTICS CORP7 citations73
US6798931B2Sep 28, 2004
Separating of optical integrated modules and structures formed thereby
DIGITAL OPTICS CORP9 citations73
US6777311B2Aug 17, 2004
Thick wafer processing and resultant products
DIGITAL OPTICS CORP5 citations73
US6630994B2Oct 7, 2003
Transmission detection for a laser power monitor and system
DIGITAL OPTICS CORP5 citations72
US6588945B2Jul 8, 2003
Interface between opto-electronic devices and fibers
DIGITAL OPTICS CORP2 citations62
US6881600B2Apr 19, 2005
Etching in combination with other processing techniques to facilitate alignment of a die in a system and structures formed thereby
DIGITAL OPTICS CORP2 citations60
US6869754B2Mar 22, 2005
Transfer of optical element patterns on a same side of a substrate already having a feature thereon
DIGITAL OPTICS CORP1 citations50
WHITAKER CORP
12 patentsUS5500910AMar 19, 1996
Passively aligned holographic WDM
WHITAKER CORP116 citations97
US5479540ADec 26, 1995
Passively aligned bi-directional optoelectronic transceiver module assembly
WHITAKER CORP126 citations96
US5555127ASep 10, 1996
Planar hybrid optical amplifier
WHITAKER CORP81 citations94
US5905831AMay 18, 1999
Passive alignment frame using monocrystalline material
WHITAKER CORP42 citations92
US5420953AMay 30, 1995
Optoelectronic integration of holograms using (110) oriented silicon on (100) oriented silicon waferboard
WHITAKER CORP42 citations92
US5574561ANov 12, 1996
Kinematic mounting of optical and optoelectronic elements on silicon waferboard
WHITAKER CORP48 citations91
US5533158AJul 2, 1996
Electrostatic bonding of optical fibers to substrates
WHITAKER CORP32 citations91
US5933551AAug 3, 1999
Bidirectional link submodule with holographic beamsplitter
WHITAKER CORP22 citations90
US5880525AMar 9, 1999
Anodic aluminum oxide passive alignment structures
WHITAKER CORP18 citations90
US5966486AOct 12, 1999
Tilted notched for passive optical alignment
WHITAKER CORP23 citations89
US5519363AMay 21, 1996
Controlled impedance lines connected to optoelectronic devices
WHITAKER CORP17 citations74
US5694048ADec 2, 1997
Monitor-detector assembly on silicon wafer board
WHITAKER CORP15 citations72