RM

R. Ian MacDonald

CL Canadian Patents & Dev. Limited: 2 patents #1 of 49Top 3%
Nortel Networks Limited: 1 patents #2,518 of 5,294Top 50%
TL Telecommunications Research Laboratories: 1 patents #29 of 80Top 40%
📍 Ottawa, CA: #1,119 of 6,399 inventorsTop 20%
Overall (All Time): #887,600 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5751454 Wavelength bypassed ring networks Herman W. Willemsen 1998-05-12
5376786 Optoelectronic transversal filter with variable gain bi-polar taps 1994-12-27
4696059 Reflex optoelectronic switching matrix D. K. W. Lam, R. W. Jenkins 1987-09-22
4506151 Optoelectronic logic Elmer H. Hara, Robert H. Hum 1985-03-19
4369371 Broadband high speed optoelectronic semiconductor switch Elmer H. Hara, Robert S. H. Hum, Brian S. Kawasaki 1983-01-18
4286171 Optoelectric cross-point switch Elmer H. Hara 1981-08-25