Roy C. Litz — 9 Patents at Ciena

Roy C. Litz has been granted 9 US patents while listed as an inventor at Ciena. The first was granted in 1998 and the most recent in November 2015. Roy C. Litz ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Roy C. Litz in Freeland, MD, US.

Patents per Year

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9191117	High-speed optical transponder systems	Stephen B. Alexander, Michael Y. Frankel, Steve W. Chaddick, Cecil D. Smith	2015-11-17	$10,013,000
8306424	Remodulating channel selectors for WDM optical communication systems	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	2012-11-06	$1,934,000
7809270	Remodulating channel selectors for WDM optical communication systems	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	2010-10-05	$2,948,000
7369780	Remodulating channel selectors for WDM optical communication systems	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	2008-05-06	$10,949,000
6618176	Remodulating channel selectors for WDM optical communication systems	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	2003-09-09	$30,540,000
6344915	System and method for shutting off an optical energy source in a communication system having optical amplifiers	Stephen B. Alexander, Cecil D. Smith, Robert Corwin, John Lynn Shanton, III, Donald T. Newman	2002-02-05	$81,833,000
6233077	Remodulating channel selectors for WDM optical communication systems	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	2001-05-15	$244,822,000
5784184	WDM Optical communication systems with remodulators and remodulating channel selectors	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	1998-07-21	$126,710,000
5715076	Remodulating channel selectors for WDM optical communication systems	Stephen B. Alexander, Steve W. Chaddick, Cecil D. Smith	1998-02-03	$89,036,000

Roy C. Litz — 9 Patents

Patents per Year

Issued Patents All Time

Patent Widget