IL

Ian Lealman

BL British Telecommunications Public Limited: 7 patents #99 of 1,458Top 7%
Huawei: 5 patents #2,609 of 15,535Top 20%
TP The Centre For Integrated Photonics: 3 patents #2 of 11Top 20%
BP British Telecommunications Plc: 1 patents #168 of 616Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #274,638 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10302861 Semiconductor optical apparatus David Graham Moodie 2019-05-28
9991963 Multi-channel tunable laser Ramsey Selim, Karl Boylan, Richard Wyatt, David C. Rogers 2018-06-05
9871344 Tunable laser and method for tuning a lasing mode Ramsey Selim, Karl Boylan, Richard Wyatt 2018-01-16
9570886 Tunable laser and method of tuning a laser 2017-02-14
9423565 Coupled waveguide apparatus and structures therefor Michael Robertson 2016-08-23
8847357 Opto-electronic device Sukhjiban Dosanjh, Gordon Burns, Michael Robertson 2014-09-30
8326154 Multiwavelength transmitter Alistair James Poustie, Graeme Douglas Maxwell, Richard Wyatt, David W. Smith, David Graham Moodie 2012-12-04
7715090 Laser source 2010-05-11
7627216 Folded cavity of optoelectronic devices Graeme Douglas Maxwell, David W. Smith, Michael Robertson, Alistair James Poustie, Xin Chen 2009-12-01
6198863 Optical filters Michael Robertson, Makoto Okai 2001-03-06
5985685 Method for making optical device with composite passive and tapered active waveguide regions Michael Robertson, Simon D. Perrin 1999-11-16
5852696 Packaged optical device John Collins, Roger Alyn Payne, Adrian R Thurlow, Philip J. Fiddyment 1998-12-22
5844929 Optical device with composite passive and tapered active waveguide regions Michael Robertson, Simon D. Perrin 1998-12-01
5838025 Electrical barrier structure for semiconductor device doped with chromium and/or titanium Michael Robertson, Michael J. Harlow, Paul C. Spurdens, William James Duncan 1998-11-17
5699378 Optical comb filters used with waveguide, laser and manufacturing method of same Michael Robertson, Makoto Okai 1997-12-16
5291328 Semiconductor laser amplifiers William Jackson Devlin, Sr., David M. Cooper, Paul C. Spurdens, Simon Cole, Joseph J. Isaac 1994-03-01
5242857 Method of manufacturing semiconductor structures David M. Cooper, Andrew W. Nelson, Simon Cole, William Jackson Devlin, Sr. 1993-09-07