Inventor · disambiguated record
Tu Chen
Also filed as: CHARLAN GEORGE B · CHEN TU · CHEN TU-PO
36 granted patents·2 pending applications·1,682 citations·filing 1978–2001
98Inventor score
Top patents by PatentIndex Score
38 records- 0197US6500567B1Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the sameKOMAG INC·Filed 2000·Granted Dec 31, 2002·86 cites·13 claims
- 0297US6150015AUltra-thin nucleation layer for magnetic thin film media and the method for manufacturing the sameKOMAG INC·Filed 1997·Granted Nov 21, 2000·151 cites·52 claims
- 0397US6086730AMethod of sputtering a carbon protective film on a magnetic disk with high sp3 contentKOMAG INC·Filed 1999·Granted Jul 11, 2000·160 cites·67 claims
- 0496US4786564AMethod for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting diskKOMAG INC·Filed 1987·Granted Nov 22, 1988·74 cites·27 claims
- 0595US6068891AMethod for laser texturing a glass ceramic substrate and the resulting substrateKOMAG INC·Filed 1997·Granted May 30, 2000·110 cites·13 claims
- 0694US6482505B1Multi-layer texture layerKOMAG INC·Filed 2000·Granted Nov 19, 2002·81 cites·46 claims
- 0794US6013161AThin film magnetic alloy having low noise, high coercivity and high squarenessKOMAG INC·Filed 1997·Granted Jan 11, 2000·88 cites·17 claims
- 0893US6156404AMethod of making high performance, low noise isotropic magnetic media including a chromium underlayerKOMAG INC·Filed 1996·Granted Dec 5, 2000·96 cites·49 claims
- 0993US5087481AMethod for texturing a magnetic disk silicate glass substrateKOMAG INC·Filed 1989·Granted Feb 11, 1992·54 cites·17 claims
- 1092US4735540ARobotic disk handler systemKOMAG INC·Filed 1986·Granted Apr 5, 1988·55 cites·31 claims
- 1191US5846648AMagnetic alloy having a structured nucleation layer and method for manufacturing sameKOMAG INC·Filed 1997·Granted Dec 8, 1998·86 cites·25 claims
- 1290US4556291AMagneto-optic storage mediaXEROX CORP·Filed 1983·Granted Dec 3, 1985·34 cites·6 claims
- 1390US4202932AMagnetic recording mediumXEROX CORP·Filed 1978·Granted May 13, 1980·52 cites·6 claims
- 1489US5673156AHard disk drive system having virtual contact recordingKOMAG INC·Filed 1995·Granted Sep 30, 1997·73 cites·52 claims
- 1588US6730420B1Magnetic thin film recording media having extremely low noise and high thermal stabilityKOMAG INC·Filed 2000·Granted May 4, 2004·79 cites·42 claims
- 1688US4595481ADisk carrierKOMAG INC·Filed 1984·Granted Jun 17, 1986·35 cites·5 claims
- 1784US5180640AMagnetic recording medium comprising a magnetic alloy layer of cobalt nickel, platinum and chromium formed directly on a nickel alloy amorphous underlayerKOMAG INC·Filed 1990·Granted Jan 19, 1993·36 cites·26 claims
- 1880US4898774ACorrosion and wear resistant magnetic diskKOMAG INC·Filed 1986·Granted Feb 6, 1990·25 cites·27 claims
- 1980US4749459AMethod for manufacturing a thin film magnetic recording mediumKOMAG INC·Filed 1986·Granted Jun 7, 1988·26 cites·17 claims
- 2077US4634512ADisk and plugKOMAG INC·Filed 1985·Granted Jan 6, 1987·23 cites·16 claims
- 2176USRE38544EThin film magnetic alloy having low noise, high coercivity and high squarenessKOMAG INC·Filed 2000·Granted Jul 6, 2004·12 cites·26 claims
- 2276US5851688AThin film magnetic alloy having low noise, high coercivity, and high squarenessKOMAG INC·Filed 1997·Granted Dec 22, 1998·25 cites·19 claims
- 2374US5658659AMagnetic alloy and method for manufacturing sameKOMAG INC·Filed 1994·Granted Aug 19, 1997·34 cites·21 claims
- 2464US4405677APost treatment of perpendicular magnetic recording mediaXEROX CORP·Filed 1981·Granted Sep 20, 1983·12 cites·9 claims
- 2563US5695387ACSS magnetic recording head slider and method of making sameKOMAG INC·Filed 1995·Granted Dec 9, 1997·20 cites·20 claims
- 2662US5153044AMagnetic disk for longitudinal recording comprising an amorphous intermediate layerKOMAG INC·Filed 1991·Granted Oct 6, 1992·23 cites·41 claims
- 2761US5976326AMethod of sputtering selected oxides and nitrides for forming magnetic mediaKOMAG INC·Filed 1997·Granted Nov 2, 1999·19 cites·14 claims
- 2861US5736013AMethod for forming an improved magnetic media including sputtering of selected oxides or nitrides in the magnetic layer, and apparatus for sameKOMAG INC·Filed 1997·Granted Apr 7, 1998·20 cites·10 claims
- 2960US4988578AMethod for manufacturing a thin film magnetic recording mediumKOMAG INC·Filed 1990·Granted Jan 29, 1991·19 cites·11 claims
- 3060US4735701ADisk carrierKOMAG INC·Filed 1986·Granted Apr 5, 1988·18 cites·12 claims
- 3159US5631094AMagnetic alloy for improved corrosion resistance and magnetic performanceKOMAG INC·Filed 1994·Granted May 20, 1997·17 cites·3 claims
- 3257US4374009AElectrochemical post treatment of perpendicular magnetic recording mediaXEROX CORP·Filed 1981·Granted Feb 15, 1983·11 cites·4 claims
- 3354US4929500ACorrosion resistant magnetic diskKOMAG INC·Filed 1986·Granted May 29, 1990·9 cites·15 claims
- 3448US4388367APerpendicular magnetic recording medium and fabricationXEROX CORP·Filed 1981·Granted Jun 14, 1983·10 cites·19 claims
- 3543US2002197929A1Method for assembling hard plastic models and assembly with remaining parts used therewithFiled 2001·Application pending·0 cites
- 3641US5908514AMagnetic alloy for improved corrosion resistance and magnetic performanceFiled 1996·Granted Jun 1, 1999·7 cites·15 claims
- 3735US5573847AMagneto-optic disk exhibiting a phase shift between plus and minus twelve degrees and a reflectivity between fifteen and twenty-five percentKOMAG INC·Filed 1994·Granted Nov 12, 1996·2 cites·8 claims
- 3829US2001008715A1Continuous texture features for a disk substrateFiled 1998·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tu Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →