Inventor · disambiguated record
Masatoshi Nakayama
Also filed as: NAKAYAMA MASATOSHI
59 granted patents·9 pending applications·1,143 citations·filing 1983–2021
99Inventor score
Files withTDK CORP44MITSUBISHI ELECTRIC CORP9DOWA ELECTRONICS MATERIALS CO LTD3KEYENCE CO LTD3HORIGUCHI KENICHI2
Top patents by PatentIndex Score
68 records- 0195US9790382B2Modeling material for forming photofabrication model in ink-jet three dimensional printing, supporting material for supporting the shape of photofabrication model on photofabrication and production method of photofabrication modelKEYENCE CO LTD·Filed 2016·Granted Oct 17, 2017·7 cites·14 claims
- 0295US5112025AMolds having wear resistant release coatingsTDK CORP·Filed 1990·Granted May 12, 1992·107 cites·6 claims
- 0395US4880687AMagnetic recording mediumTDK CORP·Filed 1987·Granted Nov 14, 1989·59 cites·10 claims
- 0492US4816334AMagnetic recording mediumTDK CORP·Filed 1987·Granted Mar 28, 1989·49 cites·2 claims
- 0590US4889767AMagnetic recording mediumTDK CORP·Filed 1987·Granted Dec 26, 1989·41 cites·39 claims
- 0690US4810524AInorganic powders with improved dispersibilityTDK CORP·Filed 1986·Granted Mar 7, 1989·55 cites·8 claims
- 0789US5154978AHighly corrosion-resistant rare-earth-iron magnetsTDK CORP·Filed 1990·Granted Oct 13, 1992·74 cites·12 claims
- 0887US9796863B2Modeling material for forming photofabrication model in ink-jet three dimensional printing, supporting material for supporting the shape of photofabrication model on photofabrication and production method of photofabrication modelKEYENCE CO LTD·Filed 2016·Granted Oct 24, 2017·2 cites·5 claims
- 0986US5069967AMagnetic recording mediumTDK CORP·Filed 1989·Granted Dec 3, 1991·26 cites·14 claims
- 1084US4737408AMagneto-optical recording medium having plasma-polymerized protective layersTDK CORP·Filed 1986·Granted Apr 12, 1988·29 cites·32 claims
- 1184US4599266AMagnetic recording mediumTDK CORP·Filed 1985·Granted Jul 8, 1986·28 cites·13 claims
- 1283US4749608AMagnetic recording mediumTDK CORP·Filed 1987·Granted Jun 7, 1988·24 cites·17 claims
- 1383US4548864AMagnetic recording medium having an organic metal underlayerTDK CORP·Filed 1983·Granted Oct 22, 1985·24 cites·1 claims
- 1482US4575475AMagnetic recording mediumTDK CORP·Filed 1984·Granted Mar 11, 1986·22 cites·11 claims
- 1581US9556346B2Modeling material for forming photofabrication model in ink-jet three dimensional printing, supporting material for supporting the shape of photofabrication model on photofabrication and production method of photofabrication modelKEYENCE CO LTD·Filed 2013·Granted Jan 31, 2017·12 cites·15 claims
- 1681US5080971AMagnetic recording mediumTDK CORP·Filed 1989·Granted Jan 14, 1992·20 cites·14 claims
- 1778US5827613AArticles having diamond-like protective film and method of manufacturing the sameTDK CORP·Filed 1994·Granted Oct 27, 1998·35 cites·4 claims
- 1878US5677051AMagnetic recording medium having a specified plasma polymerized hydrogen containing carbon film and lubricantTDK CORP·Filed 1996·Granted Oct 14, 1997·35 cites·7 claims
- 1976US5541003AArticles having diamond-like protective thin filmTDK CORP·Filed 1994·Granted Jul 30, 1996·36 cites·9 claims
- 2076US4824724AMagnetic recording mediumTDK CORP·Filed 1986·Granted Apr 25, 1989·20 cites·1 claims
- 2174US6722785B1Fluid dynamic bearingTDK CORP·Filed 2000·Granted Apr 20, 2004·14 cites·5 claims
- 2274US4900622AMagnetic recording mediumTDK CORP·Filed 1987·Granted Feb 13, 1990·33 cites·24 claims
- 2374US4770924AMagnetic recording mediumTDK CORP·Filed 1987·Granted Sep 13, 1988·27 cites·29 claims
- 2474US4699847AMagnetic recording mediumTDK CORP·Filed 1985·Granted Oct 13, 1987·19 cites·7 claims
- 2573US4780354AMagnetic recording mediumTDK CORP·Filed 1987·Granted Oct 25, 1988·31 cites·11 claims
- 2672US7649412B2High efficiency amplifierMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jan 19, 2010·8 cites·5 claims
- 2772US4892789AMagnetic recording mediumTDK CORP·Filed 1985·Granted Jan 9, 1990·17 cites·4 claims
- 2870US6456160B1Feedforward amplifierMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 24, 2002·18 cites·8 claims
- 2969US5707717AArticles having diamond-like protective filmTDK CORP·Filed 1994·Granted Jan 13, 1998·26 cites·7 claims
- 3067US6133791AFeedforward amplifier with improved characteristics without using pilot signalMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 17, 2000·27 cites·10 claims
- 3167US4619861AMagnetic powders with improved dispersibilityTDK CORP·Filed 1985·Granted Oct 28, 1986·20 cites·7 claims
- 3266US4988573AMedium related membersTDK CORP·Filed 1989·Granted Jan 29, 1991·13 cites·2 claims
- 3365US7854807B2Magnetic metal powder suitable for use in magnetic recording media and method of manufacturing the powderDOWA ELECTRONICS MATERIALS CO LTD·Filed 2007·Granted Dec 21, 2010·3 cites·11 claims
- 3465US6995948B2Thin-film magnetic head, method for producing the same and magnetic disk device using the sameTDK CORP·Filed 2003·Granted Feb 7, 2006·6 cites·5 claims
- 3563US7907009B2High frequency amplifierMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Mar 15, 2011·5 cites·3 claims
- 3663US6894562B2High-frequency amplifier, feed-forward amplifier and distortion compensating amplifierMITSUBISHI ELECTRIC CORP·Filed 2001·Granted May 17, 2005·12 cites·23 claims
- 3762US5185067AProcess for manufacturing diamond-like thin filmTDK CORP·Filed 1990·Granted Feb 9, 1993·21 cites·2 claims
- 3862US4734810AMagnetic recording medium comprising protrusion on its surface and a plasma treated substrate and recording/reproducing method thereforTDK CORP·Filed 1985·Granted Mar 29, 1988·12 cites·11 claims
- 3961US5557313AWear-resistant protective film for thermal head and method of producing the sameTDK CORP·Filed 1993·Granted Sep 17, 1996·13 cites·3 claims
- 4060US4618542AMagnetic thin filmTDK CORP·Filed 1984·Granted Oct 21, 1986·16 cites·15 claims
- 4159US8072288B2Directional couplerYAMAUCHI KAZUHISA·Filed 2008·Granted Dec 6, 2011·2 cites·15 claims
- 4259US4816341AMagnetic recording mediumTDK CORP·Filed 1985·Granted Mar 28, 1989·10 cites·11 claims
- 4356US6385436B1Distortion compensation circuitMITSUBISHI ELECTRIC CORP·Filed 1999·Granted May 7, 2002·16 cites·6 claims
- 4455US5662877AProcess for forming diamond-like thin filmTDK CORP·Filed 1992·Granted Sep 2, 1997·17 cites·5 claims
- 4555US4745031AMagnetic recording mediumTDK CORP·Filed 1985·Granted May 17, 1988·9 cites·8 claims
- 4654US5169452AApparatus for the synthesis of diamond-like thin filmsTDK CORP·Filed 1992·Granted Dec 8, 1992·16 cites·2 claims
- 4753US5112458AProcess for producing diamond-like films and apparatus thereforTDK CORP·Filed 1989·Granted May 12, 1992·7 cites·9 claims
- 4852US7283326B2Methods for producing a protective film on recording mediaTDK CORP·Filed 2004·Granted Oct 16, 2007·1 cites·13 claims
- 4950US2025005967A1Authentication apparatus, engine generation apparatus, authentication method, engine generation method, and recording mediumNEC CORP·Filed 2021·Application pending·0 cites
- 5047US7557654B2LinearizerMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jul 7, 2009·6 cites·12 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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