Inventor · disambiguated record
Shinji Homma
Also filed as: HOMMA SHINJI
9 granted patents·64 citations·filing 1994–2013
85Inventor score
Files withHITACHI HIGH TECH CORP3HITACHI ELECTR ENG2HITACHI LTD2HITACHI HIGH TECH ELECT ENG CO1ZHANG KAIFENG1
Top patents by PatentIndex Score
9 records- 0185US6894489B2Testing 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 headHITACHI HIGH TECH ELECT ENG CO·Filed 2003·Granted May 17, 2005·19 cites·4 claims
- 0277US6700369B1Testing apparatus of magnetic recording medium or magnetic head including a plurality of analog-to-digital converters which convert reproduced testing data into digital dataHITACHI LTD·Filed 2000·Granted Mar 2, 2004·11 cites·30 claims
- 0373US8000047B2Inspection apparatus and inspection method of magnetic disk or magnetic headHITACHI HIGH TECH CORP·Filed 2009·Granted Aug 16, 2011·2 cites·12 claims
- 0468US7276900B2Magnetic characteristic inspecting apparatus and inspecting method using itHITACHI HIGH TECH CORP·Filed 2005·Granted Oct 2, 2007·1 cites·18 claims
- 0563US5488857AProtrusion sensor for sensing protrusion on a discHITACHI ELECTR ENG·Filed 1994·Granted Feb 6, 1996·28 cites·11 claims
- 0660US8483035B2Thermally assisted magnetic recording head inspection method and apparatusZHANG KAIFENG·Filed 2012·Granted Jul 9, 2013·1 cites·11 claims
- 0756US8787134B2Thermally assisted magnetic recording head inspection method and apparatusHITACHI HIGH TECH CORP·Filed 2013·Granted Jul 22, 2014·0 cites·10 claims
- 0848US7817362B2Inspection apparatus and inspection method of magnetic disk or magnetic headHITACHI LTD·Filed 2003·Granted Oct 19, 2010·1 cites·20 claims
- 0928US5557554ACalibration method for protrusion detecting head units and protrusion inspection method and protrusion inspection device using the sameHITACHI ELECTR ENG·Filed 1994·Granted Sep 17, 1996·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →