P

Inventor

AOYAMA TSUTOMU

JP46 patents
⚠️ This page may combine multiple inventors who share the name “AOYAMA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TDK CORP

19 patents
US6420058B1Jul 16, 2002

Magnetic recording medium

TDK CORP55 citations96
US6313969B1Nov 6, 2001

Magnetic disk medium and magnetic recording system

TDK CORP48 citations93
US6620532B2Sep 16, 2003

Magnetic recording medium and magnetic write/read method

TDK CORP37 citations92
US6495240B1Dec 17, 2002

Patterned magnetic recording medium possessing recording portions with a lower height than the surrounding non-magnetic matrix

TDK CORP34 citations92
US6144524ANov 7, 2000

Spin valve magnetoresistance device and method of designing the same

TDK CORP25 citations92
US6084746AJul 4, 2000

Magnetic head device

TDK CORP35 citations92
US4794042ADec 27, 1988

Magnetic recording medium

TDK CORP35 citations92
US5698286ADec 16, 1997

Magnetic recording medium

TDK CORP19 citations91
US6541182B1Apr 1, 2003

Method for forming fine exposure patterns using dual exposure

TDK CORP37 citations90
US9666216B1May 30, 2017

Magnetic recording device and magnetic recording method

TDK CORP19 citations83
US6522502B1Feb 18, 2003

Magnetic head device

TDK CORP6 citations74
US4741977AMay 3, 1988

Magnetic sheet

TDK CORP9 citations73
US8358127B2Jan 22, 2013

Apparatus for measuring magnetic field of microwave-assisted head

TDK CORP4 citations63
US7787334B2Aug 31, 2010

Optical recording method on multilayer optical recording medium, optical recording apparatus, and multilayer optical recording medium

TDK CORP2 citations63
US6898840B1May 31, 2005

Method of fabricating a magnetic head device

TDK CORP4 citations63
US8680855B2Mar 25, 2014

Apparatus for measuring magnetic field of microwave-assisted head

TDK CORP1 citations52
US7095589B2Aug 22, 2006

Magnetic recording medium and magnetic recording and reproducing system

TDK CORP0 citations52
US9318132B2Apr 19, 2016

Magnetic head, magnetic head assembly, and magnetic recording and reproducing apparatus

TDK CORP0 citations51
US9299366B2Mar 29, 2016

Magnetic recording and reproducing apparatus

TDK CORP0 citations41

SONY CORP

6 patents

AOYAMA TSUTOMU

6 patents

NIPPON ELECTRIC CO

3 patents

MURATA MANUFACTURING CO

3 patents

IKEDA HIROSHI

1 patent

ADACHI TATSUYA

1 patent

NEC CORP

1 patent

MITUTOYO MFG CO LTD

1 patent

SOENO YOSHIKAZU

1 patent

MISHIMA KOJI

1 patent

TONOMURA YASUHIRO

1 patent

KAIZU AKIMASA

1 patent

ISHIKAWA YOSHINORI

1 patent