DW

David F. Welch

IN Infinera: 83 patents #2 of 407Top 1%
SD Sdl: 60 patents #1 of 128Top 1%
SL Spectra Diode Laboratories: 16 patents #2 of 22Top 10%
JU Jds Uniphase: 8 patents #44 of 940Top 5%
SS Sprint Spectrum: 4 patents #226 of 810Top 30%
Xerox: 2 patents #3,932 of 8,622Top 50%
HL Hughes Electronics Limited: 1 patents #605 of 1,474Top 45%
AT AT&T: 1 patents #10,626 of 18,772Top 60%
📍 Atherton, CA: #2 of 431 inventorsTop 1%
🗺 California: #705 of 386,348 inventorsTop 1%
Overall (All Time): #4,327 of 4,157,543Top 1%
178
Patents All Time

Issued Patents All Time

Showing 101–125 of 178 patents

Patent #TitleCo-InventorsDate
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
6317443 High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication systems Richard R. Craig, Robert LG. Waarts, John G. Endriz, Dirk J. Kuizenga, Steven Sanders 2001-11-13
6307873 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Randall S. Geels, Ross A. Parke 2001-10-23
6298187 High power fiber gain media system achieved through power scaling via multiplexing Robert G. Waarts, Stephen G. Grubb, Jean-Luc Archambault, Donald R. Scifres 2001-10-02
RE37354 Semiconductor laser with integral spatial mode filter David G. Mehuys, Donald R. Scifres 2001-09-04
6275632 High power fiber gain media system achieved through power scaling via multiplexing Robert G. Waarts, Stephen G. Grubb, Jean-Luc Archambault, Steven Sanders, Raymond Zanoni +1 more 2001-08-14
6275250 Fiber gain medium marking system pumped or seeded by a modulated laser diode source and method of energy control Steven Sanders, Stuart MacCormack, Ramon E. Alvarez 2001-08-14
6272162 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Randall S. Geels, Ross A. Parke 2001-08-07
6212310 High power fiber gain media system achieved through power scaling via multiplexing Robert G. Waarts, Stephen G. Grubb, Jean-Luc Archambault, Steven Sanders, Raymond Zanoni +1 more 2001-04-03
RE37051 Semiconductor gain medium with multimode and single mode regions David G. Mehuys, Donald R. Scifres 2001-02-13
6181721 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Randall S. Geels, Ross A. Parke 2001-01-30
6167075 High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication systems Richard R. Craig, Robert LG. Waarts, John G. Endriz, Dirk J. Kuizenga, Steven Sanders 2000-12-26
6160568 Laser marking system and method of energy control Mark A. Brodsky, Yong-Tae Yim 2000-12-12
6157763 Double-clad optical fiber with improved inner cladding geometry Stephen G. Grubb 2000-12-05
6151338 High power laser optical amplifier system Stephen G. Grubb, Raymond Zanoni 2000-11-21
6148014 Visible wavelength semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Randall S. Geels, Ross A. Parke 2000-11-14
6148013 Visible wavelength, semiconductor optoelectronic device with a high power broad, significantly laterally uniform, diffraction limited output beam Randall S. Geels, Ross A. Parke 2000-11-14
6130147 Methods for forming group III-V arsenide-nitride semiconductor materials Jo S. Major, Donald R. Scifres 2000-10-10
6100546 III-V arsenide-nitride semiconductor Jo S. Major, Donald R. Scifres 2000-08-08
6081369 Fiber amplifiers and pumping sources for fiber amplifiers Robert G. Waarts, Steven Sanders 2000-06-27
6049554 External cavity, continuously tunable wavelength source Robert J. Lang, David G. Mehuys 2000-04-11
6021141 Tunable blue laser diode Derek W. Nam, Robert G. Waarts, Jo S. Major 2000-02-01
5933705 Passivation and protection of semiconductor surface Randall S. Geels, Julian S. Osinski, Donald R. Scifres 1999-08-03