Inventor
NAKAYAMA MASATOSHI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
38 patentsUS5112025AMay 12, 1992
Molds having wear resistant release coatings
TDK CORP107 citations96
US4880687ANov 14, 1989
Magnetic recording medium
TDK CORP59 citations96
US4810524AMar 7, 1989
Inorganic powders with improved dispersibility
TDK CORP55 citations96
US5154978AOct 13, 1992
Highly corrosion-resistant rare-earth-iron magnets
TDK CORP74 citations93
US4780354AOct 25, 1988
Magnetic recording medium
TDK CORP31 citations93
US5827613AOct 27, 1998
Articles having diamond-like protective film and method of manufacturing the same
TDK CORP35 citations92
US5707717AJan 13, 1998
Articles having diamond-like protective film
TDK CORP26 citations92
US5541003AJul 30, 1996
Articles having diamond-like protective thin film
TDK CORP36 citations92
US5185067AFeb 9, 1993
Process for manufacturing diamond-like thin film
TDK CORP21 citations92
US5069967ADec 3, 1991
Magnetic recording medium
TDK CORP26 citations92
US4900622AFeb 13, 1990
Magnetic recording medium
TDK CORP33 citations92
US4889767ADec 26, 1989
Magnetic recording medium
TDK CORP41 citations92
US4816334AMar 28, 1989
Magnetic recording medium
TDK CORP49 citations92
US4770924ASep 13, 1988
Magnetic recording medium
TDK CORP27 citations92
US4737408AApr 12, 1988
Magneto-optical recording medium having plasma-polymerized protective layers
TDK CORP29 citations92
US4599266AJul 8, 1986
Magnetic recording medium
TDK CORP28 citations92
US5677051AOct 14, 1997
Magnetic recording medium having a specified plasma polymerized hydrogen containing carbon film and lubricant
TDK CORP35 citations89
US6722785B1Apr 20, 2004
Fluid dynamic bearing
TDK CORP14 citations82
US5080971AJan 14, 1992
Magnetic recording medium
TDK CORP20 citations82
US4824724AApr 25, 1989
Magnetic recording medium
TDK CORP20 citations82
US4749608AJun 7, 1988
Magnetic recording medium
TDK CORP24 citations82
US4699847AOct 13, 1987
Magnetic recording medium
TDK CORP19 citations82
US4619861AOct 28, 1986
Magnetic powders with improved dispersibility
TDK CORP20 citations82
US4575475AMar 11, 1986
Magnetic recording medium
TDK CORP22 citations82
US4548864AOct 22, 1985
Magnetic recording medium having an organic metal underlayer
TDK CORP24 citations82
US5557313ASep 17, 1996
Wear-resistant protective film for thermal head and method of producing the same
TDK CORP13 citations80
US5662877ASep 2, 1997
Process for forming diamond-like thin film
TDK CORP17 citations74
US5169452ADec 8, 1992
Apparatus for the synthesis of diamond-like thin films
TDK CORP16 citations74
US5112458AMay 12, 1992
Process for producing diamond-like films and apparatus therefor
TDK CORP7 citations74
US4988573AJan 29, 1991
Medium related members
TDK CORP13 citations74
US4892789AJan 9, 1990
Magnetic recording medium
TDK CORP17 citations74
US4816341AMar 28, 1989
Magnetic recording medium
TDK CORP10 citations74
US4745031AMay 17, 1988
Magnetic recording medium
TDK CORP9 citations74
US4734810AMar 29, 1988
Magnetic recording medium comprising protrusion on its surface and a plasma treated substrate and recording/reproducing method therefor
TDK CORP12 citations74
US4618542AOct 21, 1986
Magnetic thin film
TDK CORP16 citations74
US6995948B2Feb 7, 2006
Thin-film magnetic head, method for producing the same and magnetic disk device using the same
TDK CORP6 citations63
US4863811ASep 5, 1989
Magnetic recording medium and method of making
TDK CORP3 citations63
US5590969AJan 7, 1997
Wear-resistant protective film for thermal printing heads
TDK CORP5 citations61
MITSUBISHI ELECTRIC CORP
7 patentsUS6133791AOct 17, 2000
Feedforward amplifier with improved characteristics without using pilot signal
MITSUBISHI ELECTRIC CORP27 citations92
US6385436B1May 7, 2002
Distortion compensation circuit
MITSUBISHI ELECTRIC CORP16 citations84
US7649412B2Jan 19, 2010
High efficiency amplifier
MITSUBISHI ELECTRIC CORP8 citations83
US6894562B2May 17, 2005
High-frequency amplifier, feed-forward amplifier and distortion compensating amplifier
MITSUBISHI ELECTRIC CORP12 citations83
US6456160B1Sep 24, 2002
Feedforward amplifier
MITSUBISHI ELECTRIC CORP18 citations82
US7907009B2Mar 15, 2011
High frequency amplifier
MITSUBISHI ELECTRIC CORP5 citations62
US7557654B2Jul 7, 2009
Linearizer
MITSUBISHI ELECTRIC CORP6 citations59
KEYENCE CO LTD
3 patentsUS9790382B2Oct 17, 2017
Modeling 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 model
KEYENCE CO LTD7 citations84
US9556346B2Jan 31, 2017
Modeling 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 model
KEYENCE CO LTD12 citations84
US9796863B2Oct 24, 2017
Modeling 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 model
KEYENCE CO LTD2 citations73
YAMAUCHI KAZUHISA
1 patentDOWA ELECTRONICS MATERIALS CO LTD
1 patentShowing the top 50 of 59 patents by PatentIndex Score.