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 151–175 of 178 patents

Patent #TitleCo-InventorsDate
5530709 Double-clad upconversion fiber laser Robert G. Waarts, Steven Sanders, Donald R. Scifres 1996-06-25
RE35215 Frequency converted laser diode and lens system therefor Robert G. Waarts, Donald R. Scifres, Robert J. Lang, Derek W. Nam 1996-04-23
5499261 Light emitting optical device with on-chip external cavity reflector David G. Mehuys, Donald R. Scifres 1996-03-12
5493112 Method and apparatus for detecting the presence and location of an object in a field 1996-02-20
5440576 Branched MOPA device with phased array of amplifiers Robert J. Lang, Julian S. Osinski, Kenneth M. Dzurko, David G. Mehuys, Robert G. Waarts 1995-08-08
5392308 Semiconductor laser with integral spatial mode filter David G. Mehuys, Donald R. Scifres 1995-02-21
5384797 Monolithic multi-wavelength laser diode array Robert G. Waarts, Jo S. Major, Ross D. Bringans, David K. Fork, G. A. Neville Connell +1 more 1995-01-24
5349602 Broad-area MOPA device with leaky waveguide beam expander David G. Mehuys, Stephen O'Brien 1994-09-20
5337328 Semiconductor laser with broad-area intra-cavity angled grating Robert J. Lang, Kenneth M. Dzurko, Donald R. Scifres 1994-08-09
5321718 Frequency converted laser diode and lens system therefor Robert G. Waarts, Donald R. Scifres, Robert J. Lang, Derek W. Nam 1994-06-14
5282080 Surface coupled optical amplifier Donald R. Scifres 1994-01-25
5255332 NxN Optical crossbar switch matrix Donald R. Scifres, Robert G. Waarts, Amos A. Hardy, David G. Mehuys, Stephen O'Brien 1993-10-19
5231642 Semiconductor ring and folded cavity lasers Donald R. Scifres, Kenneth M. Dzurko, Robert G. Waarts, Amos A. Hardy, Stephen O'Brien 1993-07-27
5219785 Method of forming current barriers in semiconductor lasers Donald R. Scifres, William Streifer 1993-06-15
5193098 Method of forming current barriers in semiconductor lasers Donald R. Scifres, William Streifer 1993-03-09
5185754 Spectrally stable laser diode with internal reflector Richard R. Craig, Erik Paul Zucker, Donald R. Scifres, William J. Gignac 1993-02-09
5185752 Coupling arrangements for frequency-doubled diode lasers Robert G. Waarts 1993-02-09
5159604 Antiguided semiconductor laser array with edge reflectors David G. Mehuys, Amos A. Hardy, Robert G. Waarts, Donald R. Scifres 1992-10-27
5103456 Broad beam laser diode with integrated amplifier Donald R. Scifres, William Streifer 1992-04-07
5088105 Optical amplifier with folded light path and laser-amplifier combination Donald R. Scifres, William Streifer 1992-02-11
5048036 Heterostructure laser with lattice mismatch Donald R. Scifres, John G. Endriz, William Streifer 1991-09-10
5003550 Integrated laser-amplifier with steerable beam Robert G. Waarts, David G. Mehuys, Richard R. Craig 1991-03-26
4984242 GaAs/AlGaAs heterostructure laser containing indium Donald R. Scifres, John G. Endriz, William Streifer 1991-01-08
4972427 Talbot cavity diode laser with uniform single-mode output William Streifer, Robert G. Waarts, Donald R. Scifres 1990-11-20
4933301 Method of forming a semiconductor laser Donald R. Scifres, Peter Cross, William Streifer 1990-06-12