Inventor · disambiguated record
Masahiro Ao
Also filed as: AO MASAHIRO
6 granted patents·1 pending application·128 citations·filing 1989–2007
85Inventor score
Files withHITACHI METALS LTD7
Top patents by PatentIndex Score
7 records- 0191US5010429AFloating magnetic head having improved static friction coefficientHITACHI METALS LTD·Filed 1989·Granted Apr 23, 1991·49 cites·8 claims
- 0282US6931177B2Optical fiber array with lensesHITACHI METALS LTD·Filed 2003·Granted Aug 16, 2005·27 cites·7 claims
- 0379US5052099AMethod of fabricating a magnetic head by sputter etchingHITACHI METALS LTD·Filed 1990·Granted Oct 1, 1991·30 cites·14 claims
- 0473US7412137B2Optical power monitorHITACHI METALS LTD·Filed 2007·Granted Aug 12, 2008·7 cites·2 claims
- 0567US7065284B2Variable optical attenuatorHITACHI METALS LTD·Filed 2004·Granted Jun 20, 2006·10 cites·2 claims
- 0642US2007183716A1Unidirectional optical power monitorHITACHI METALS LTD·Filed 2007·Application pending·0 cites
- 0740US5771133AFloating magnetic headHITACHI METALS LTD·Filed 1996·Granted Jun 23, 1998·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →