Inventor · disambiguated record
Christoph Harder
Also filed as: HARDER CHRISTOPH · HARDER CHRISTOPH S
22 granted patents·942 citations·filing 1982–2006
97Inventor score
Files withIBM16BOOKHAM TECHNOLOGY PLC2HARDER CHRISTOPH2CALIFORNIA INST OF TECHN1UNIPHASE LASER ENTPR AG1
Top patents by PatentIndex Score
22 records- 0197US4711858AMethod of fabricating a self-aligned metal-semiconductor FET having an insulator spacerIBM·Filed 1986·Granted Dec 8, 1987·273 cites·10 claims
- 0291US5032879AIntegrated semiconductor diode laser and photodiode structureIBM·Filed 1990·Granted Jul 16, 1991·86 cites·16 claims
- 0388US5171717AMethod for batch cleaving semiconductor wafers and coating cleaved facetsIBM·Filed 1991·Granted Dec 15, 1992·74 cites·12 claims
- 0486US4725727AWaveguide for an optical near-field microscopeIBM·Filed 1985·Granted Feb 16, 1988·57 cites·8 claims
- 0585US5284792AFull-wafer processing of laser diodes with cleaved facetsIBM·Filed 1993·Granted Feb 8, 1994·64 cites·21 claims
- 0682US8111727B2High power semiconductor opto-electronic deviceHARDER CHRISTOPH·Filed 2006·Granted Feb 7, 2012·11 cites·24 claims
- 0782US5463705AOptical waveguide isolationIBM·Filed 1994·Granted Oct 31, 1995·65 cites·17 claims
- 0881US6782024B2High power semiconductor laser diodeBOOKHAM TECHNOLOGY PLC·Filed 2001·Granted Aug 24, 2004·17 cites·12 claims
- 0979US5331655ADecoupled optic and electronic confinement laser diodeIBM·Filed 1993·Granted Jul 19, 1994·42 cites·12 claims
- 1078US4675711ALow temperature tunneling transistorIBM·Filed 1985·Granted Jun 23, 1987·38 cites·12 claims
- 1173US4805179ATransverse junction stripe laserIBM·Filed 1987·Granted Feb 14, 1989·21 cites·29 claims
- 1271US4562569ATandem coupled cavity lasers with separate current control and high parasitic resistance between them for bistability and negative resistance characteristics and use thereof for optical disc readoutCALIFORNIA INST OF TECHN·Filed 1982·Granted Dec 31, 1985·17 cites·27 claims
- 1368US5301202ASemiconductor ridge waveguide laser with asymmetrical claddingIBM·Filed 1993·Granted Apr 5, 1994·25 cites·6 claims
- 1465US5594749ASemiconductor laser with low vertical far-fieldIBM·Filed 1994·Granted Jan 14, 1997·19 cites·17 claims
- 1565US5311539ARoughened sidewall ridge for high power fundamental mode semiconductor ridge waveguide laser operationIBM·Filed 1992·Granted May 10, 1994·21 cites·6 claims
- 1662US5376582APlanar, topology-free, single-mode, high-power semiconductor quantum-well laser with non-absorbing mirrors and current confinementIBM·Filed 1993·Granted Dec 27, 1994·18 cites·43 claims
- 1761US5060233AMiniature blue-green laser source using second-harmonic generationIBM·Filed 1990·Granted Oct 22, 1991·24 cites·32 claims
- 1861US5059552AProcess for forming the ridge structure of a self-aligned semiconductor laserIBM·Filed 1991·Granted Oct 22, 1991·35 cites·8 claims
- 1954US7218659B2High power semiconductor laser diodeBOOKHAM TECHNOLOGY PLC·Filed 2004·Granted May 15, 2007·3 cites·26 claims
- 2052US8908729B2High power semiconductor laser diodeHARDER CHRISTOPH·Filed 2006·Granted Dec 9, 2014·1 cites·13 claims
- 2150US6204560B1Titanium nitride diffusion barrier for use in non-silicon technologies and methodUNIPHASE LASER ENTPR AG·Filed 1998·Granted Mar 20, 2001·17 cites·24 claims
- 2250US5305340AWaveguide ridge laser device with improved mounting and ridge protectionIBM·Filed 1992·Granted Apr 19, 1994·14 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →