JJ

John Evan Johnson

AT AT&T: 6 patents #3,053 of 18,772Top 20%
AG Agere Systems Guardian: 2 patents #139 of 810Top 20%
TH Triquint Technology Holding: 2 patents #24 of 141Top 20%
AG Agere Systems Optoelectronics Guardian: 1 patents #30 of 115Top 30%
Overall (All Time): #470,792 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6862394 Wavelength tunable laser and method of formation David Alan Ackerman, David V. Lang, C. Lewis Reynolds, Jr. 2005-03-01
6829262 Aging in tunable semiconductor lasers David Alan Ackerman, Sung-Nee George Chu, Eric J. Dean, Leonard Jan-Peter Ketelsen, Liming Zhang 2004-12-07
6453105 Optoelectronic device with power monitoring tap Kishore Kamath 2002-09-17
6408014 Apparatus and method for stabilizing the frequency of a light source David Alan Ackerman 2002-06-18
6275317 Hybrid integration of a wavelength selectable laser source and optical amplifier/modulator Christopher Doerr, Charles H. Joyner, Leonard Jan-Peter Ketelsen, Uziel Koren, Dirk Joachim Muehlner +2 more 2001-08-14
6265237 In-wafer testing of DFB semiconductor lasers William R. Heffner 2001-07-24
6233082 Optical transmitter for WDM systems 2001-05-15
6162655 Method of fabricating an expanded beam optical waveguide device Leonard Jan-Peter Ketelsen, Janet L. Lentz, Charles H. Joyner, Sharon K. Sputz 2000-12-19
6028881 Wavelength selectable laser source David Alan Ackerman 2000-02-22
5832014 Wavelength stabilization in tunable semiconductor lasers 1998-11-03
5719931 Access code dialing apparatus and method 1998-02-17