Inventor · disambiguated record
Tirumala R. Ranganath
Also filed as: RANGANATH TIRUMALA R
12 granted patents·9 pending applications·125 citations·filing 1985–2013
90Inventor score
Files withAVAGO TECH FIBER IP SG PTE LTD5RANGANATH TIRUMALA R4HEWLETT PACKARD CO3AGILENT TECHNOLOGIES INC2AVAGO TECHNOLOGIES FIBER IP PT2
Top patents by PatentIndex Score
21 records- 0188US4942583AMisalignment-tolerant, grating-tuned external-cavity laserHEWLETT PACKARD CO·Filed 1988·Granted Jul 17, 1990·48 cites·19 claims
- 0286US7734189B2Parallel channel optical communication using modulator array and shared laserAVAGO TECH FIBER IP SG PTE LTD·Filed 2006·Granted Jun 8, 2010·15 cites·11 claims
- 0375US6744953B2Planar optical waveguide with alignment structureAGILENT TECHNOLOGIES INC·Filed 2001·Granted Jun 1, 2004·20 cites·7 claims
- 0473US7843977B2Light source that utilizes small footprint reference gas cells for multiple laser frequency stabilizationAGILENT TECHNOLOGIES INC·Filed 2008·Granted Nov 30, 2010·4 cites·23 claims
- 0559US7368062B2Method and apparatus for a low parasitic capacitance butt-joined passive waveguide connected to an active structureAVAGO TECHNOLOGIES FIBER IP PT·Filed 2004·Granted May 6, 2008·6 cites·20 claims
- 0656US7747174B2Multi-channel fabry-perot laser transmitters and methods of generating multiple modulated optical signalsAVAGO TECH FIBER IP SG PTE LTD·Filed 2004·Granted Jun 29, 2010·4 cites·16 claims
- 0747US4706103ABipolar electrode scheme for electro-optic semiconductor waveguide devicesHUGHES AIRCRAFT CO·Filed 1985·Granted Nov 10, 1987·12 cites·19 claims
- 0846US7502567B2Electroabsorption-modulated Fabry-Perot laser and methods of making the sameAVAGO TECH FIBER IP SG PTE LTD·Filed 2004·Granted Mar 10, 2009·2 cites·5 claims
- 0946US7425726B2Electroabsorption modulators and methods of making the sameAVAGO TECHNOLOGIES FIBER IP PT·Filed 2004·Granted Sep 16, 2008·2 cites·2 claims
- 1046US2008159347A1Method and apparatus for a low parasitic capacitance butt-joined passive waveguide connected to an active structureAVAGO TECH FIBER IP SG PTE LTD·Filed 2008·Application pending·0 cites
- 1146US2015037902A1Nanocalorimeter device and methods of operating the sameKEYSIGHT TECHNOLOGIES INC·Filed 2013·Application pending·0 cites
- 1245US2007052535A1Object locator systemRANGANATH TIRUMALA R·Filed 2005·Application pending·0 cites
- 1344US2007176728A1Tiled periodic metal film sensorsRANGANATH TIRUMALA R·Filed 2006·Application pending·0 cites
- 1443US2007037365A1Semiconductor nanostructures and fabricating the sameRANGANATH TIRUMALA R·Filed 2005·Application pending·0 cites
- 1543US2007052814A1Method and Apparatus for white-balancing an imageRANGANATH TIRUMALA R·Filed 2005·Application pending·0 cites
- 1643US2006024000A1Conducting cavity sensorSIGALAS MIHAIL M·Filed 2005·Application pending·0 cites
- 1742US2007099238A1Enhancement of emission using metal coated dielectric nanoparticlesSIGALAS MIHAIL M·Filed 2005·Application pending·0 cites
- 1841US2002161289A1Detector array for optical spectrographsFiled 2001·Application pending·0 cites
- 1938US5119450ABroad wavelength range single mode integrated optics deviceHEWLETT PACKARD CO·Filed 1991·Granted Jun 2, 1992·8 cites·16 claims
- 2034US7098471B2Semiconductor quantum well devices and methods of making the sameAVAGO TECH FIBER IP SG PTE LTD·Filed 2004·Granted Aug 29, 2006·0 cites·21 claims
- 2132US4805237AParametric diode amplifierHEWLETT PACKARD CO·Filed 1988·Granted Feb 14, 1989·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →