ELECTRONICS/COMPUTER HARDWARE/COMMUNICATIONS


Patent Trees for JDS Uniphase (formerly SDL, Inc.) and Xerox Corporation

Monolithic Array of Laser Diodes Expand Laser Applications

A Patent Tree is a graphical display of knowledge dissemination from patented technological advances produced during an ATP-funded project. Some companies file for and are granted patents derived from their ATP project. Many of these patents are later referenced by other companies, thereby increasing the potential impact of the ATP project to propel the technology forward.


Patent trees for Status Report 91-01-0176 were generated during May 2004.



Patent Trees Listed by:
Patent

 		Patent Number

 		Company



  		• "Stacked active region laser array for multicolor emissions"
    (No. 5,386,428: filed November 2, 1993; granted January 31, 1995)

    		5,386,428

         		Xerox Corporation



  		• "Method of fabricating a stacked active region laser array"
    (No. 5,436,193: filed November 2, 1993; granted July 25, 1995)

    		5,436,193

         		Xerox Corporation



  		• "Index guided semiconductor laser diode with shallow selective IILD"
    (No. 5,832,019: filed November 28, 1994; granted November 3, 1998)

    		5,832,019

         		Xerox Corporation



  		• "Semiconductor laser or array formed by layer intermixing"
    (No. 5,708,674: filed January 3, 1995; granted January 13, 1998)

    		 5,708,674

         		Xerox Corporation



  		• "Index guided semiconductor laser diode with reduced shunt leakage currents"
    (No. 5,717,707: filed January 3, 1995; granted Febraury 10, 1998)

    		 5,717,707

         		Xerox Corporation



  		• "Thermally processed, phosphorus- or arsenic-containing semiconductor laser with selective IILD"
    (No. 5,766,981: filed January 4, 1995; granted June 16, 1998)

    		5,766,981

         		Xerox Corporation



  		• "Method for replicating periodic nonlinear coefficient patterning during and after growth of epitaxial ferroelectric oxide films"
    (No. 5,654,229: filed April 26, 1995; granted August 5, 1997)

    		5,654,229

         		Xerox Corporation



  		• "Alternative doping for AlGaInP laser diodes fabricated by impurity-induced layer disordering (IILD)"
    (No. 5,745,517: filed December 29, 1995; granted April 28, 1998)

    		 5,745,517

         		Xerox Corporation



  		• "Loss-guided semiconductor lasers"
    (No. 5,812,576: filed August 26, 1996; granted September 22, 1998)

    		5,812,576

         		Xerox Corporation



  		• "Transversely injected multiple wavelength diode laser array formed by layer disordering"
    (No. 5,764,676: filed September 26, 1996; granted June 9, 1998)

    		5,764,676

         		Xerox Corporation



  		• "Polarization mode selection by distributed Bragg reflector in a quantum well laser"
    (No. 5,784,399: filed December 19, 1996; granted July 21, 1998)

    		5,784,399

         		Xerox Corporation



  		• "Semiconductor devices constructed from crystallites"
    (No. 5,977,612: filed December 20, 1996; granted November 2, 1999)

    		5,977,612

         		Xerox Corporation



  		• "Edge-emitting semiconductor lasers"
    (No. 5,886,370: filed May 29, 1997; granted March 23, 1999)

    		5,886,370

         		Xerox Corporation



  		• "Deep native oxide confined ridge waveguide semiconductor lasers"
    (No. 6,044,098: filed August 29, 1997; granted March 28, 2000)

    		6,044,098

         		Xerox Corporation



  		• "Independently addressable laser array with native oxide for optical confinement and electrical isolation"
    (No. 6,052,399: filed August 29, 1997; granted April 18, 2000)

    		6,052,399

         		Xerox Corporation



  		• "In-situ acceptor activation in group III-v nitride compound semiconductors"
    (No. 5,926,726: filed September 12, 1997; granted July 20, 1999)

    		5,926,726

         		SDL, Inc. / Xerox Corporation



  		• "Independently addressable semiconductor laser arrays with buried selectively oxidized native oxide apertures"
    (No. 5,917,847: filed September 26, 1997; granted June 29, 1999)

    		5,917,847

         		Xerox Corporation



  		• "Monolithic red/ir side by side laser fabricated from a stacked dual laser structure by ion implantation channel"
    (No. 5,999,553: filed November 25,1997; granted December 7, 1999)

    		 5,999,553

         		Xerox Corporation



  		• "Monolithic independently addressable Red/IR side by side laser"
    (No. 6,058,124: filed November 25, 1997; granted May 2, 2000)

    		 6,058,124

         		Xerox Corporation



  		• "Method of manufacturing vertical cavity surface emitting semiconductor lasers using intermixing and oxidation"
    (No. 5,915,165: filed December 15, 1997; granted June 22, 1999)

    		5,915,165

         		Xerox Corporation



  		• "Red and blue stacked laser diode array by wafer fusion"
    (No. 5,920,766: filed January 7, 1998; granted July 6, 1999)

    		5,920,766

         		Xerox Corporation



  		• "Infrared and blue stacked laser diode array by wafer fusion"
    (No. 6,104,740: filed January 7, 1998; granted August 15, 2000)

    		6,104,740

         		Xerox Corporation



  		• "Red, infrared, and blue stacked laser diode array by wafer fusion"
    (No. 6,144,683: filed January 7, 1998; granted November 7, 2000)

    		6,144,683

         		Xerox Corporation



  		• "Multiple wavelength laser arrays by flip-chip bonding"
    (No. 6,136,623: filed May 6, 1998; granted October 24, 2000)

    		6,136,623

         		Xerox Corporation



  		• "Fabrication of group III-V nitrides on mesas"
    (No. 6,163,557: filed May 21, 1998; granted December 19, 2000)

    		6,163,557

         		Xerox Corporation



  		• "AlGaInN LED and laser diode structures for pure blue or green emission"
    (No. 6,233,265: filed July 31, 1998; granted May 15, 2001)

    		6,233,265

         		Xerox Corporation



  		• "Structure and method for self-aligned, index-guided, buried heterostructure AlGalnN laser diodes"
    (No. 6,567,443: filed September 29, 1999; granted May 20, 2003)

    		 6,567,443

         		Xerox Corporation