Inventor · disambiguated record
Robert O. Schwenker
Also filed as: SCHWENKER ROBERT O · SCHWENKER ROBERT OTTO
23 granted patents·777 citations·filing 1975–2007
97Inventor score
Top patents by PatentIndex Score
23 records- 0196US4211582AProcess for making large area isolation trenches utilizing a two-step selective etching techniqueIBM·Filed 1979·Granted Jul 8, 1980·109 cites·7 claims
- 0295US4111720AMethod for forming a non-epitaxial bipolar integrated circuitIBM·Filed 1977·Granted Sep 5, 1978·116 cites·13 claims
- 0394US5175658AThin film magnetic head having a protective coating and method for making sameIBM·Filed 1990·Granted Dec 29, 1992·70 cites·7 claims
- 0487US5271802AMethod for making a thin film magnetic head having a protective coatingIBM·Filed 1992·Granted Dec 21, 1993·54 cites·12 claims
- 0586US5268806AMagnetoresistive transducer having tantalum lead conductorsIBM·Filed 1992·Granted Dec 7, 1993·42 cites·8 claims
- 0681US4338138AProcess for fabricating a bipolar transistorIBM·Filed 1980·Granted Jul 6, 1982·53 cites·4 claims
- 0781US4333227AProcess for fabricating a self-aligned micrometer bipolar transistor deviceIBM·Filed 1981·Granted Jun 8, 1982·43 cites·6 claims
- 0879US6434814B1Method of manufacturing a magnetic head including a read head with read track width defining layer that planarizes the write gap layer of a write headIBM·Filed 1998·Granted Aug 20, 2002·29 cites·15 claims
- 0978US6519118B2Read head with read track width defining layer that planarizes the write gap layer of a write headIBM·Filed 2002·Granted Feb 11, 2003·11 cites·20 claims
- 1075US4392149ABipolar transistorIBM·Filed 1981·Granted Jul 5, 1983·41 cites·1 claims
- 1174US6853519B2Magnetic head having high conductivity lead structures seeded by epitaxially matched seed layerIBM·Filed 2002·Granted Feb 8, 2005·8 cites·24 claims
- 1274US4339767AHigh performance PNP and NPN transistor structureIBM·Filed 1980·Granted Jul 13, 1982·39 cites·3 claims
- 1372US4378630AProcess for fabricating a high performance PNP and NPN structureIBM·Filed 1981·Granted Apr 5, 1983·40 cites·8 claims
- 1471US4309812AProcess for fabricating improved bipolar transistor utilizing selective etchingIBM·Filed 1980·Granted Jan 12, 1982·33 cites·11 claims
- 1562US4180439AAnodic etching method for the detection of electrically active defects in siliconIBM·Filed 1977·Granted Dec 25, 1979·15 cites·4 claims
- 1661US6882510B2Low cost anti-parallel pinned spin valve (SV) and magnetic tunnel junction (MTJ) structures with high thermal stabilityHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Apr 19, 2005·9 cites·23 claims
- 1755US7842437B2High-resolution, patterned-media master maskHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Nov 30, 2010·0 cites·20 claims
- 1853US4303933ASelf-aligned micrometer bipolar transistor device and processIBM·Filed 1979·Granted Dec 1, 1981·15 cites·4 claims
- 1951US4118250AProcess for producing integrated circuit devices by ion implantationIBM·Filed 1977·Granted Oct 3, 1978·13 cites·11 claims
- 2049US3982967AMethod of proton-enhanced diffusion for simultaneously forming integrated circuit regions of varying depthsIBM·Filed 1975·Granted Sep 28, 1976·13 cites·29 claims
- 2143US5198090ASputtering apparatus for producing thin films of materialIBM·Filed 1991·Granted Mar 30, 1993·11 cites·13 claims
- 2241US4542579AMethod for forming aluminum oxide dielectric isolation in integrated circuitsIBM·Filed 1975·Granted Sep 24, 1985·8 cites·10 claims
- 2336US4076558AMethod of high current ion implantation and charge reduction by simultaneous kerf implantIBM·Filed 1977·Granted Feb 28, 1978·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →