JW

James N. Walpole

MIT: 17 patents #174 of 9,367Top 2%
📍 Concord, MA: #81 of 720 inventorsTop 15%
🗺 Massachusetts: #5,623 of 88,656 inventorsTop 7%
Overall (All Time): #225,887 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
7106773 Large modal volume semiconductor laser system with spatial mode filter Kenneth W. Nill 2006-09-12
6928223 Stab-coupled optical waveguide laser and amplifier Joseph P. Donnelly, Stephen R. Chinn 2005-08-09
6804281 Large modal volume semiconductor laser system with spatial mode filter Kenneth W. Nill 2004-10-12
5757830 Compact micro-optical edge-emitting semiconductor laser assembly Zong-Long Liau, Dean Z. Tsang 1998-05-26
5555544 Tapered semiconductor laser oscillator Emily S. Kintzer, Stephen R. Chinn, Christine A. Wang, Lee J. Missaggia 1996-09-10
5400353 Tapered semiconductor laser gain structure with cavity spoiling grooves Emily S. Kintzer, Stephen R. Chinn, Christine A. Wang, Leo J. Missaggia 1995-03-21
5260822 Tapered semiconductor laser gain structure with cavity spoiling grooves Leo J. Missaggia, Christine A. Wang, Stephen R. Chinn, Emily S. Kintzer 1993-11-09
5216684 Reliable AlInGaAs/AlGaAs strained-layer diode lasers Christine A. Wang, Hong K. Choi, Joseph P. Donnelly 1993-06-01
5185758 Multiple-laser pump optical system Tso Yee Fan, Antonio Sanchez-Rubio, Richard C. Williamson, Ivars Melngailis, James R. Leger +1 more 1993-02-09
5099910 Microchannel heat sink with alternating flow directions Leo J. Missaggia 1992-03-31
5081637 Multiple-laser pump optical system Tso Yee Fan, Antonio Sanchez-Rubio, Richard C. Williamson, Ivars Melngailis, James R. Leger +1 more 1992-01-14
4990465 Method of forming a surface emitting laser Zong-Long Liau 1991-02-05
4935939 Surface emitting laser with monolithic integrated lens Zong-Long Liau 1990-06-19
4894840 Surface emitting laser Zong-Long Liau 1990-01-16
4784722 Method forming surface emitting diode laser Zong-Long Liau 1988-11-15
4777148 Process for making a mesa GaInAsP/InP distributed feedback laser Zong-Long Liau, Dale C. Flanders 1988-10-11
4722092 GaInAsP/InP distributed feedback laser Zong-Long Liau, Dale C. Flanders 1988-01-26
4718070 Surface emitting diode laser Zong-Long Liau 1988-01-05
4563765 Intra-cavity loss-modulated diode laser Dean Z. Tsang 1986-01-07
4468850 GaInAsP/InP Double-heterostructure lasers Zong-Long Liau 1984-09-04