Inventor · disambiguated record
Duane A. Haven
Also filed as: ARNESON ROBERT L · HAVEN DUANE A
43 granted patents·2 pending applications·1,098 citations·filing 1976–2005
98Inventor score
Files withCANDESCENT TECH CORP23TEKTRONIX INC8CANDESCENT INTELLECTUAL PROP3GREYHAWK SYSTEMS INC3DISPLAY RES LAB INC2
Top patents by PatentIndex Score
45 records- 0192US5865657AFabrication of gated electron-emitting device utilizing distributed particles to form gate openings typically beveled and/or combined with lift-off or electrochemical removal of excess emitter materialCANDESCENT TECH CORP·Filed 1996·Granted Feb 2, 1999·82 cites·40 claims
- 0291US5650690ABackplate of field emission device with self aligned focus structure and spacer wall locatorsCANDESCENT TECHNOLOGIES INC·Filed 1994·Granted Jul 22, 1997·65 cites·17 claims
- 0390US5964630AMethod of increasing resistance of flat-panel device to bending, and associated getter-containing flat-panel deviceCANDESCENT TECH CORP·Filed 1996·Granted Oct 12, 1999·78 cites·69 claims
- 0489US5649847ABackplate of field emission device with self aligned focus structure and spacer wall locatorsCANDESCENT TECH CORP·Filed 1996·Granted Jul 22, 1997·52 cites·12 claims
- 0589US5543683AFaceplate for field emission display including wall gripper structuresCANDESCENT TECH CORP·Filed 1994·Granted Aug 6, 1996·59 cites·25 claims
- 0688US5578899AField emission device with internal structure for aligning phosphor pixels with corresponding field emittersSILICON VIDEO CORP·Filed 1994·Granted Nov 26, 1996·57 cites·28 claims
- 0787US7315115B1Light-emitting and electron-emitting devices having getter regionsCANON KK·Filed 2000·Granted Jan 1, 2008·31 cites·50 claims
- 0886US6046539AUse of sacrificial masking layer and backside exposure in forming openings that typically receive light-emissive materialCANDESCENT TECH CORP·Filed 1997·Granted Apr 4, 2000·42 cites·36 claims
- 0986US4251610AMethod of making multicolor CRT display screen with minimal phosphor contaminationTEKTRONIX INC·Filed 1979·Granted Feb 17, 1981·26 cites·10 claims
- 1085US5755944AFormation of layer having openings produced by utilizing particles deposited under influence of electric fieldCANDESCENT TECH CORP·Filed 1996·Granted May 26, 1998·48 cites·36 claims
- 1185US5374968AOptics for a single-lens video projector with color-specific polarization channelsGREYHAWK SYSTEMS INC·Filed 1993·Granted Dec 20, 1994·100 cites·11 claims
- 1284US6022652AHigh resolution flat panel phosphor screen with tall barriersCANDESCENT TECH CORP·Filed 1996·Granted Feb 8, 2000·46 cites·16 claims
- 1384US5766446AElectrochemical removal of material, particularly excess emitter material in electron-emitting deviceCANDESCENT TECH CORP·Filed 1996·Granted Jun 16, 1998·52 cites·51 claims
- 1482US6201343B1Electron-emitting device having large control openings in specified, typically centered, relationship to focus openingsCANDESCENT TECH CORP·Filed 1997·Granted Mar 13, 2001·29 cites·22 claims
- 1579US6338662B1Fabrication of electron-emitting device having large control openings centered on focus openingsCANDESCENT INTELLECTUAL PROP·Filed 2000·Granted Jan 15, 2002·11 cites·10 claims
- 1678US6002199AStructure and fabrication of electron-emitting device having ladder-like emitter electrodeCANDESCENT TECH CORP·Filed 1997·Granted Dec 14, 1999·23 cites·52 claims
- 1775US6154188AIntegrated metallization for displaysCANDESCENT TECH CORP·Filed 1997·Granted Nov 28, 2000·28 cites·14 claims
- 1874US6611093B1Field emission display with transparent cathodeDISPLAY RES LAB INC·Filed 2000·Granted Aug 26, 2003·12 cites·5 claims
- 1974US5920151AStructure and fabrication of electron-emitting device having focus coating contacted through underlying access conductorCANDESCENT TECH CORP·Filed 1997·Granted Jul 6, 1999·26 cites·37 claims
- 2071US6380670B1Encapsulated flat panel display componentsCANDESCENT INTELLECTUAL PROP·Filed 2000·Granted Apr 30, 2002·7 cites·15 claims
- 2170US6215241B1Flat panel display with encapsulated matrix structureCANDESCENT TECH CORP·Filed 1998·Granted Apr 10, 2001·18 cites·15 claims
- 2269US6448708B1Dual-layer metal for flat panel displayCANDESCENT INTELLECTUAL PTY SERVICES·Filed 2000·Granted Sep 10, 2002·11 cites·10 claims
- 2368US6019658AFabrication of gated electron-emitting device utilizing distributed particles to define gate openings, typically in combination with spacer material to control spacing between gate layer and electron-emissive elementsCANDESCENT TECH CORP·Filed 1998·Granted Feb 1, 2000·17 cites·34 claims
- 2465US7075593B2Electron-beam-addressed active-matrix spatial light modulatorVIDEO DISPLAY CORP·Filed 2004·Granted Jul 11, 2006·12 cites·30 claims
- 2565US6013986AElectron-emitting device having multi-layer resistorCANDESCENT TECH CORP·Filed 1997·Granted Jan 11, 2000·17 cites·32 claims
- 2663US5865659AFabrication of gated electron-emitting device utilizing distributed particles to define gate openings and utilizing spacer material to control spacing between gate layer and electron-emissive elementsCANDESCENT TECH CORP·Filed 1996·Granted Feb 2, 1999·14 cites·28 claims
- 2761US6187603B1Fabrication of gated electron-emitting devices utilizing distributed particles to define gate openings, typically in combination with lift-off of excess emitter materialCANDESCENT TECH CORP·Filed 1996·Granted Feb 13, 2001·15 cites·38 claims
- 2861US5140448AApparatus for and method of operation of smectic liquid crystal light valve having scattering centersGREYHAWK SYSTEMS INC·Filed 1990·Granted Aug 18, 1992·25 cites·16 claims
- 2961US4744636AElectron beam-addressed liquid crystal cell having coating layer for secondary electron emissionTEKTRONIX INC·Filed 1987·Granted May 17, 1988·21 cites·5 claims
- 3057US6288483B1Light-emitting structure having specially configured dark regionCANDESCENT TECH CORP·Filed 1999·Granted Sep 11, 2001·10 cites·22 claims
- 3156US6013974AElectron-emitting device having focus coating that extends partway into focus openingsCANDESCENT TECH CORP·Filed 1997·Granted Jan 11, 2000·11 cites·56 claims
- 3256US2006108912A1Protected substrate structure for a field emission dispaly deviceCANDESCENT INTELLECTUAL PROP·Filed 2005·Application pending·0 cites
- 3350US4254360AInsulated web collector storage target for a cathode ray tubeTEKTRONIX INC·Filed 1980·Granted Mar 3, 1981·6 cites·12 claims
- 3449US6525485B2Vacuum fluorescence displayDISPLAY RES LAB INC·Filed 2001·Granted Feb 25, 2003·3 cites·9 claims
- 3548US5893967AImpedance-assisted electrochemical removal of material, particularly excess emitter material in electron-emitting deviceCANDESCENT TECH CORP·Filed 1997·Granted Apr 13, 1999·8 cites·40 claims
- 3641US6146226AFabrication of electron-emitting device having ladder-like emitter electrodeCANDESCENT TECH CORP·Filed 1999·Granted Nov 14, 2000·3 cites·30 claims
- 3741US4784883ALiquid crystal cell and method of assembly of sameTEKTRONIX INC·Filed 1987·Granted Nov 15, 1988·12 cites·4 claims
- 3838US5040879AVariable density optical filterGREYHAWK SYSTEMS INC·Filed 1990·Granted Aug 20, 1991·8 cites·13 claims
- 3936US6384527B1Flat panel display with reduced electron scattering effectsCANDESCENT TECH CORP·Filed 1995·Granted May 7, 2002·3 cites·36 claims
- 4036US4159439ABistable storage cathode ray tubeTEKTRONIX INC·Filed 1976·Granted Jun 26, 1979·3 cites·13 claims
- 4134US6027632AMulti-step removal of excess emitter material in fabricating electron-emitting deviceCANDESCENT TECH CORP·Filed 1997·Granted Feb 22, 2000·3 cites·22 claims
- 4233US2002097350A1Thin film transistors suitable for use in flat panel displaysFiled 2001·Application pending·0 cites
- 4332US4335328ASelectively erasable storage target with insulated web collectorTEKTRONIX INC·Filed 1981·Granted Jun 15, 1982·1 cites·12 claims
- 4432US4139800ABistable storage target having interdigitated target electrode for selective erasureTEKTRONIX INC·Filed 1977·Granted Feb 13, 1979·3 cites·15 claims
- 4528US4284661AProcess for making bistable storage cathode ray tubeTEKTRONIX INC·Filed 1979·Granted Aug 18, 1981·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →