BH

Brian L. Heffner

HP HP: 10 patents #321 of 7,018Top 5%
OS Opnext Subsystems: 4 patents #4 of 15Top 30%
AT Agilent Technologies: 3 patents #759 of 3,411Top 25%
JU Jds Uniphase: 3 patents #160 of 940Top 20%
NS Neptec Optical Solutions: 1 patents #8 of 18Top 45%
OL Oclaro Technology Limited: 1 patents #21 of 77Top 30%
ED E-Tek Dynamics: 1 patents #23 of 44Top 55%
Stanford University: 1 patents #115 of 519Top 25%
BR Bell Communications Research: 1 patents #278 of 628Top 45%
Overall (All Time): #163,553 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10191306 Dither free bias control Robert Griffin 2019-01-29
8023833 Optical receivers with controllable transfer function bandwidth and gain imbalance Christian Malouin, Theodore J. Schmidt, Yannick Lize, Gordon W. Ries 2011-09-20
7991300 Optical receiver having bandwidth control for intersymbol interference compensation Christian Malouin, Theodore J. Schmidt 2011-08-02
7983573 Optical receiver having FSR phase compensation Christian Malouin, Theodore J. Schmidt 2011-07-19
7970289 GT decoder having bandwidth control for ISI compensation Christian Malouin, Theodore J. Schmidt 2011-06-28
6807356 Fiber-coupled optical attenuator Long Yang 2004-10-19
6765665 Optical bit rate detector Robert R. McLeod 2004-07-20
6678445 Dynamic gain flattening filter W. John Tomlinson, Valentine N. Morozov, Yevgeniy Churin, Long Yang, Jinxi Shen 2004-01-13
6606429 Electromechanically controlled optical element John Carberry, Harry Helfer, Matthew Derstine 2003-08-12
6556765 Planar variable optical attenuator Gokul Krishnan 2003-04-29
6316764 Autoalignment and autofocus mechanism for coupling light between an optical fiber and a physical specimen Wayne V. Sorin 2001-11-13
6295039 Thin illuminator for reflective displays Pierre Mertz 2001-09-25
6215118 Autoalignment and autofocus mechanism for coupling light between an optical fiber and a physical specimen Wayne V. Sorin 2001-04-10
5971538 Articulated nose bridge for head mounted display 1999-10-26
5923476 Optical viewer with an aperture transformer 1999-07-13
5850287 Roller assembly having pre-aligned for on-line thickness measurements Wayne V. Sorin, Shalini Venkatesh 1998-12-15
5731876 Method and apparatus for on-line determination of the thickness of a multilayer film using a partially reflecting roller and low coherence reflectometry Shalini Venkatesh, Wayne V. Sorin 1998-03-24
5633712 Method and apparatus for determining the thickness and index of refraction of a film using low coherence reflectometry and a reference surfaces Shalini Venkatesh, Wayne V. Sorin 1997-05-27
5610716 Method and apparatus for measuring film thickness utilizing the slope of the phase of the Fourier transform of an autocorrelator signal Wayne V. Sorin, Shalini Venkatesh 1997-03-11
5298972 Method and apparatus for measuring polarization sensitivity of optical devices 1994-03-29
5296913 Polarimeter re-calibration method and apparatus 1994-03-22
5227623 Method and apparatus for measuring polarization mode dispersion in optical devices 1993-07-13
5202745 Polarization independent optical coherence-domain reflectometry Wayne V. Sorin 1993-04-13
5002349 Integrated acousto-optic filters and switches Kwok Wai Cheung, David A. Smith 1991-03-26
4735476 Acousto-optic bragg cell Gordon S. Kino, William P. Risk, Butrus T. Khuri-Yakub 1988-04-05