JOHNSON RALPH H has a total of 14 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States. Its main competitors in its focus markets optics, semiconductors and micro-structure and nano-technology are QSI CO LTD, BANDWIDTH9 INC and GEN NANO OPTICS LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 14 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Semiconductors | |
#3 | Micro-structure and nano-technology |
# | Technology | |
---|---|---|
#1 | Devices using light amplification | |
#2 | Semiconductor devices | |
#3 | Nanostructure applications |
# | Name | Total Patents |
---|---|---|
#1 | Johnson Ralph H | 14 |
#2 | Biard James Robert | 3 |
#3 | Penner R Scott | 3 |
#4 | Wade Jerome K | 2 |
#5 | Guenter James | 2 |
#6 | Morales Gilberto | 1 |
#7 | Macinnes Andrew N | 1 |
#8 | Graham Luke A | 1 |
#9 | Tatum Jimmy Alan | 1 |
#10 | Fitzgerald Colby | 1 |
Publication | Filing date | Title |
---|---|---|
US2011096803A1 | Asymmetric DBR pairs combined with periodic and modulation doping to maximize conduction and reflectivity, and minimize absorption | |
US2007254393A1 | Passivation of VCSEL sidewalls | |
US2006198412A1 | Grating-coupled surface emitting laser with gallium arsenide substrate |