Inventor · disambiguated record
Koso Ishihara
Also filed as: ISHIHARA KOSO
4 granted patents·41 citations·filing 1986–2008
75Inventor score
Top patents by PatentIndex Score
4 records- 0186US8462484B2Method for manufacturing electrolytic capacitor with electrically conductive solid layer and electrolytic capacitor with electrically conductive solid layerKAKUMA KENJI·Filed 2008·Granted Jun 11, 2013·22 cites·20 claims
- 0272US7869190B2Solid electrolytic capacitorSANYO ELECTRIC CO·Filed 2006·Granted Jan 11, 2011·7 cites·17 claims
- 0346US5155645AMagnetic head with improved efficiency in both high and low frequency rangesSANYO ELECTRIC CO·Filed 1990·Granted Oct 13, 1992·7 cites·8 claims
- 0440US4772967AMagnetic recording apparatus in a helical scan systemSANYO ELECTRIC CO·Filed 1986·Granted Sep 20, 1988·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →