P

Inventor

HOMMA SHINJI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “HOMMA SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI HIGH TECH CORP

3 patents
US8000047B2Aug 16, 2011

Inspection apparatus and inspection method of magnetic disk or magnetic head

HITACHI HIGH TECH CORP2 citations62
US8787134B2Jul 22, 2014

Thermally assisted magnetic recording head inspection method and apparatus

HITACHI HIGH TECH CORP0 citations51
US7276900B2Oct 2, 2007

Magnetic characteristic inspecting apparatus and inspecting method using it

HITACHI HIGH TECH CORP1 citations51

HITACHI ELECTR ENG

2 patents
US5488857AFeb 6, 1996

Protrusion sensor for sensing protrusion on a disc

HITACHI ELECTR ENG28 citations89
US5557554ASep 17, 1996

Calibration method for protrusion detecting head units and protrusion inspection method and protrusion inspection device using the same

HITACHI ELECTR ENG1 citations48

HITACHI LTD

2 patents
US6700369B1Mar 2, 2004

Testing apparatus of magnetic recording medium or magnetic head including a plurality of analog-to-digital converters which convert reproduced testing data into digital data

HITACHI LTD11 citations72
US7817362B2Oct 19, 2010

Inspection apparatus and inspection method of magnetic disk or magnetic head

HITACHI LTD1 citations51

HITACHI HIGH TECH ELECT ENG CO

1 patent
US6894489B2May 17, 2005

Testing apparatus for conducting a test on a magnetic recording medium or a magnetic head, through recording test data on the magnetic recording medium and reproducing recorded test data therefrom by means of the magnetic head

HITACHI HIGH TECH ELECT ENG CO19 citations91

ZHANG KAIFENG

1 patent
US8483035B2Jul 9, 2013

Thermally assisted magnetic recording head inspection method and apparatus

ZHANG KAIFENG1 citations46