Inventor · disambiguated record
Yoshihito Asai
Also filed as: ASAI YOSHIHITO · SASAKI KOJI
7 granted patents·139 citations·filing 1978–1996
87Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0192US4236053APuffer type gas circuit breakerHITACHI LTD·Filed 1978·Granted Nov 25, 1980·41 cites·22 claims
- 0271US5793597APuffer type gas breakerHITACHI LTD·Filed 1996·Granted Aug 11, 1998·26 cites·9 claims
- 0367US5473494AElectrical power supply systemHITACHI LTD·Filed 1992·Granted Dec 5, 1995·26 cites·19 claims
- 0456US5814781APuffer type gas circuit breakerHITACHI LTD·Filed 1996·Granted Sep 29, 1998·15 cites·4 claims
- 0556US4788392ATank type gas circuit breakerHITACHI LTD·Filed 1987·Granted Nov 29, 1988·16 cites·15 claims
- 0641US5610381ACompression gas puffer type circuit breakerHITACHI LTD·Filed 1995·Granted Mar 11, 1997·8 cites·9 claims
- 0738US5821496AMethod of controlling transient recovery voltage and gas insulation switch gear using the sameHITACHI LTD·Filed 1995·Granted Oct 13, 1998·7 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →