Inventor · disambiguated record
Yoshiharu Koike
Also filed as: KOIKE YOSHIHARU
3 granted patents·90 citations·filing 1984–1987
75Inventor score
Files withHITACHI METALS LTD3
Top patents by PatentIndex Score
3 records- 0186US4709284AMagnetic recording device having a stabilized zirconia slider and a cobalt based recording mediumHITACHI METALS LTD·Filed 1985·Granted Nov 24, 1987·34 cites·14 claims
- 0281US4835640AMagnetic head having a stabilized zirconia sliderHITACHI METALS LTD·Filed 1987·Granted May 30, 1989·24 cites·8 claims
- 0377US4681813ACeramic substrate for a thin layer magnetic headHITACHI METALS LTD·Filed 1984·Granted Jul 21, 1987·32 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →