Inventor · disambiguated record
Seiki Shimizu
Also filed as: SHIMIZU SEIKI
5 granted patents·217 citations·filing 1982–1988
84Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0195US4651172AInformation recording mediumHITACHI LTD·Filed 1985·Granted Mar 17, 1987·78 cites·18 claims
- 0286US4482912AStacked structure having matrix-fibered composite layers and a metal layerHITACHI LTD·Filed 1982·Granted Nov 13, 1984·62 cites·12 claims
- 0383US4497875ACeramic substrate with metal plateHITACHI LTD·Filed 1983·Granted Feb 5, 1985·52 cites·16 claims
- 0463US4546222AVacuum switch and method of manufacturing the sameHITACHI LTD·Filed 1984·Granted Oct 8, 1985·11 cites·25 claims
- 0559US4892986AVacuum circuit breakerHITACHI LTD·Filed 1988·Granted Jan 9, 1990·14 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →