HC

Hwa Cheng

3M: 11 patents #1,441 of 11,543Top 15%
CH Chorus: 1 patents #10 of 12Top 85%
IT ITRI: 1 patents #5,197 of 9,619Top 55%
MM Minnesota Minning & Manufacturing: 1 patents #2 of 23Top 9%
Overall (All Time): #357,248 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6057559 II-VI laser diodes with short-period strained-layer superlattice quantum wells James M. DePuydt, Michael A. Haase, Jun Qiu 2000-05-02
5698168 Unibody gas plasma source technology Scott Wayne Priddy 1997-12-16
5641595 Manufacture of color filters by incremental exposure method Pao-Ju Hsieh, Hsien-Kuang Lin, Jim-Chyuan Shieh, Chao Niu, Chao H. Tseng 1997-06-24
5574296 Doping of IIB-VIA semiconductors during molecular beam epitaxy electromagnetic radiation transducer having p-type ZnSe layer Robert M. Park, James M. DePuydt, Michael A. Haase 1996-11-12
5538918 Method of fabricating a buried-ridge II-VI laser diode Michael A. Haase, Jun Qiu, James M. DePuydt 1996-07-23
5513199 Blue-green laser diode Michael A. Haase, James M. DePuydt, Jun Qiu 1996-04-30
5404027 Buried ridge II-VI laser diode Michael A. Haase, Jun Qiu, James M. DePuydt 1995-04-04
5396103 Graded composition ohmic contact for P-type II-VI semiconductors Jun Oiu, James M. DePuydt, Michael A. Haase 1995-03-07
5395791 Growth of II VI laser diodes with quantum wells by atomic layer epitaxy and migration enhanced epitaxy James M. DePuydt, Michael A. Haase, Jun Qiu 1995-03-07
5319219 Single quantum well II-VI laser diode without cladding James M. DePuydt, Michael A. Haase, Jun Qiu 1994-06-07
5291507 Blue-green laser diode Michael A. Haase, James M. DePuydt, Jun Qiu 1994-03-01
5274269 Ohmic contact for p-type group II-IV compound semiconductors James M. DePuydt, Jun Qiu, Michael A. Haase 1993-12-28
5248631 Doping of IIB-VIA semiconductors during molecular beam epitaxy using neutral free radicals Robert M. Park, James M. DePuydt, Michael A. Haase 1993-09-28
5213998 Method for making an ohmic contact for p-type group II-VI compound semiconductors Jun Qiu, Michael A. Haase, James M. DePuydt 1993-05-25