P

Inventor

OKAWA SHUICHI

JP34 patents
⚠️ This page may combine multiple inventors who share the name “OKAWA SHUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TDK CORP

27 patents
US7225528B2Jun 5, 2007

Method for manufacturing magnetic recording medium

TDK CORP27 citations92
US7741229B2Jun 22, 2010

Method for manufacturing magnetic recording medium

TDK CORP9 citations84
US7470374B2Dec 30, 2008

Manufacturing method and manufacturing apparatus of magnetic recording medium

TDK CORP13 citations84
US7417826B2Aug 26, 2008

Magnetic recording medium

TDK CORP12 citations84
US7247343B2Jul 24, 2007

Method for manufacturing magnetic recording medium

TDK CORP10 citations84
US7488429B2Feb 10, 2009

Method of dry etching, method of manufacturing magnetic recording medium, and magnetic recording medium

TDK CORP19 citations83
US7300595B2Nov 27, 2007

Method for filling concave portions of concavo-convex pattern and method for manufacturing magnetic recording medium

TDK CORP18 citations83
US7273563B2Sep 25, 2007

Method for manufacturing a magnetic recording medium

TDK CORP11 citations83
US6797415B2Sep 28, 2004

Cobalt-nickel-iron alloy thin film and method of forming the same, and thin-film magnetic head and method of manufacturing the same

TDK CORP10 citations73
US7636215B2Dec 22, 2009

Magnetic recording medium, recording/reproducing apparatus, and method of manufacturing a magnetic recording medium

TDK CORP2 citations63
US7630156B2Dec 8, 2009

Magnetic recording medium, recording/reproducing apparatus, and stamper for manufacturing a magnetic recording medium

TDK CORP3 citations63
US7538041B2May 26, 2009

Magnetic recording medium, method of manufacturing the same, and intermediate for magnetic recording medium

TDK CORP3 citations63
US7531103B2May 12, 2009

Mask forming method, mask forming functional layer, dry etching method, and method of manufacturing an information recording medium

TDK CORP2 citations63
US7480924B2Jan 20, 2009

Magnetic recording and reproducing device and magnetic recording medium

TDK CORP6 citations63
US7230795B2Jun 12, 2007

Recording medium having reduced surface roughness

TDK CORP2 citations63
US7125615B2Oct 24, 2006

Magnetic recording medium and magnetic recording device

TDK CORP4 citations63
US12467956B2Nov 11, 2025

Magnetic sensor

TDK CORP0 citations62
US7824584B2Nov 2, 2010

Method of manufacturing stamper, method of manufacturing resin molded article, and stamper

TDK CORP2 citations62
US7438982B2Oct 21, 2008

Magnetic recording medium including disk substrate, magnetic layer, and non-magnetic layer

TDK CORP6 citations62
US7378029B2May 27, 2008

Method for manufacturing magnetic recording medium

TDK CORP4 citations62
US7247251B2Jul 24, 2007

Method for manufacturing a magnetic recording medium

TDK CORP6 citations62
US7740903B2Jun 22, 2010

Method for manufacturing magnetic recording medium

TDK CORP1 citations52
US7682713B2Mar 23, 2010

Magnetic recording medium with recording layer having a predetermined concavo-convex pattern and magnetic recording and reproducing apparatus

TDK CORP1 citations52
US7541106B2Jun 2, 2009

Magnetic recording medium and magnetic recording/reproducing device

TDK CORP0 citations52
US7388215B2Jun 17, 2008

Pattern drawing method, stamper manufacturing method, and pattern drawing apparatus

TDK CORP0 citations52
US10890630B2Jan 12, 2021

Magnetic sensor

TDK CORP0 citations47
US7727412B2Jun 1, 2010

Dry etching method

TDK CORP0 citations42

UNIV NAT CORP TOKYO MEDICAL & DENTAL

4 patents

PRESS KOGYO KK

1 patent

ITO YASUHIRO

1 patent

OKAWA SHUICHI

1 patent