Inventor · disambiguated record
Soichiro Matsuzawa
Also filed as: MATSUZAWA SOICHIRO
33 granted patents·357 citations·filing 1980–2001
97Inventor score
Top patents by PatentIndex Score
33 records- 0195US4519870AMethod for producing a single crystalNGK INSULATORS LTD·Filed 1982·Granted May 28, 1985·51 cites·17 claims
- 0288US5020213AMethod of producing a head core sliderAPPLIED MAGNETICS CORP·Filed 1989·Granted Jun 4, 1991·41 cites·3 claims
- 0385US4444615AMethod for producing a single crystalNGK INSULATORS LTD·Filed 1981·Granted Apr 24, 1984·26 cites·8 claims
- 0480US4402787AMethod for producing a single crystalNGK INSULATORS LTD·Filed 1980·Granted Sep 6, 1983·19 cites·13 claims
- 0575US4339301AMethod for producing a single crystal of ferriteNGK INSULATORS LTD·Filed 1981·Granted Jul 13, 1982·18 cites·3 claims
- 0672US5296982AThin-film magnetic head having slider body formed of ferriteNGK INSULATORS LTD·Filed 1992·Granted Mar 22, 1994·21 cites·10 claims
- 0772US4711018AMethod of manufacturing a magnetic head coreNGK INSULATORS LTD·Filed 1985·Granted Dec 8, 1987·16 cites·7 claims
- 0870US4962990AOptical deviceNGK INSULATORS LTD·Filed 1989·Granted Oct 16, 1990·26 cites·19 claims
- 0964US4675988AMethod for producing a magnetic head coreNGK INSULATORS LTD·Filed 1984·Granted Jun 30, 1987·10 cites·8 claims
- 1063US5012572AMethod for producing a head core sliderNGK INSULATORS LTD·Filed 1989·Granted May 7, 1991·17 cites·15 claims
- 1163US4839763AComposite magnetic head coreNGK INSULATORS LTD·Filed 1987·Granted Jun 13, 1989·11 cites·7 claims
- 1254US6584265B2Optical waveguide element having a single crystalline substrate with a crystal axis angled with respect to a surface of the substrateNGK INSULATORS LTD·Filed 2001·Granted Jun 24, 2003·4 cites·10 claims
- 1352US5537732AMethod for manufacturing a magnetic head core sliderNGK INSULATORS LTD·Filed 1994·Granted Jul 23, 1996·10 cites·28 claims
- 1452US4841400AMagnetic head core comprising a monocrystaline ferriteNGK INSULATORS LTD·Filed 1987·Granted Jun 20, 1989·7 cites·6 claims
- 1549US5003688AMethod of producing a magnetic head core having track-width defining cut outs formed on opposite side of a magnetic gapNGK INSULATORS LTD·Filed 1989·Granted Apr 2, 1991·6 cites·4 claims
- 1646US4916802AMethod for producing a magnetic head coreNGK INSULATORS LTD·Filed 1988·Granted Apr 17, 1990·6 cites·6 claims
- 1745US6180890B1Composite type magnetic head using composite metallic wireNGK INSULATORS LTD·Filed 2000·Granted Jan 30, 2001·1 cites·5 claims
- 1845US5396389AThin-film magnetic circuit board and magnetic head using the sameNGK INSULATORS LTD·Filed 1992·Granted Mar 7, 1995·6 cites·13 claims
- 1944US5107382AHead core slider having an air bearing surface of a particular configurationNGK INSULATORS LTD·Filed 1990·Granted Apr 21, 1992·5 cites·12 claims
- 2043US5083221AOptical unit having means for electrically shielding electroopticalNGK INSULATORS LTD·Filed 1989·Granted Jan 21, 1992·10 cites·9 claims
- 2142US5675453ACore slider for magnetic disk, having opposed recesses defining narrow final track which determines nominal magnetic gap widthNGK INSULATORS LTD·Filed 1992·Granted Oct 7, 1997·5 cites·6 claims
- 2240US5390062AThin-film magnetic circuit board and magnetic head using the sameNGK INSULATORS LTD·Filed 1994·Granted Feb 14, 1995·5 cites·10 claims
- 2339US6068917AComposite metallic wire and magnetic head using said composite metal wireNGK INSULATORS LTD·Filed 1997·Granted May 30, 2000·6 cites·6 claims
- 2438US5388325AProcess for fabricating a magnetic head core sliderNGK INSULATORS LTD·Filed 1993·Granted Feb 14, 1995·3 cites·6 claims
- 2537US5298113AMethod of producing magnetic head core having magnetic gap and narrow trackNGK INSULATORS LTD·Filed 1993·Granted Mar 29, 1994·8 cites·6 claims
- 2635US5285342ACore chip for magnetic head core slider, having marker indicating grinding depth to establish nominal depth of magnetic gapNGK INSULATORS LTD·Filed 1992·Granted Feb 8, 1994·4 cites·5 claims
- 2735US5043842AMagnetic head core with special gap structureNGK INSULATORS LTD·Filed 1990·Granted Aug 27, 1991·2 cites·8 claims
- 2833US5297330AMethod of producing core slider for rigid magnetic disc driveNGK INSULATORS LTD·Filed 1992·Granted Mar 29, 1994·4 cites·10 claims
- 2933US5177654ACore slider for rigid magnetic disc driveNGK INSULATORS LTD·Filed 1991·Granted Jan 5, 1993·2 cites·7 claims
- 3033US5138508AMagnetic head coreNGK INSULATORS LTD·Filed 1991·Granted Aug 11, 1992·4 cites·9 claims
- 3133US5014414AMethod for producing a magnetic head coreNGK INSULATORS LTD·Filed 1989·Granted May 14, 1991·2 cites·8 claims
- 3232US6591478B2Method of producing magnetic headALPS ELECTRIC CO LTD·Filed 1999·Granted Jul 15, 2003·1 cites·7 claims
- 3326US5522126AMethod of manufacturing a composite magnetic headNGK INSULATORS LTD·Filed 1994·Granted Jun 4, 1996·0 cites·12 claims
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