DW

David F. Welch

SD Sdl: 6 patents #1 of 24Top 5%
JU Jds Uniphase: 4 patents #8 of 131Top 7%
📍 Atherton, CA: #2 of 56 inventorsTop 4%
🗺 California: #210 of 26,763 inventorsTop 1%
Overall (2002): #1,804 of 266,432Top 1%
10
Patents 2002

Issued Patents 2002

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6489985 Laser marking system and method of energy control Mark A. Brodsky, Yong-Tae Yim 2002-12-03
6433920 Raman-based utility optical amplifier Robert J. Lang, Edward C. Vail, Mehrdad Ziari 2002-08-13
6433306 Semiconductor laser high power amplifier system for materials processing Stephen G. Grubb, Raymond Zanoni 2002-08-13
6411323 High power marking system achieved through power scaling via multiplexing Robert G. Waarts 2002-06-25
6404542 Multiple emitter semiconductor laser pump source for scaling of pump power and generation of unpolarized light for light signal amplification Mehrdad Ziari, Vincent G. Dominic, Bardia Pezeshki, Robert J. Lang 2002-06-11
6356574 High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication system Richard R. Craig, Robert LG. Waarts, John G. Endriz, Dirk J. Kuizenga, Steven Sanders 2002-03-12
6347007 Semiconductor laser high power amplifier system Stephen G. Grubb, Raymond Zanoni 2002-02-12
6345141 Double-clad optical fiber with improved inner cladding geometry Stephen G. Grubb 2002-02-05
6342405 Methods for forming group III-arsenide-nitride semiconductor materials Jo S. Major, Donald R. Scifres 2002-01-29
6335941 Semiconductor laser highpower amplifier system Stephen G. Grubb, Raymond Zanoni 2002-01-01