Inventor · disambiguated record
Ryutaro Yamamoto
Also filed as: YAMAMOTO RYUTARO
4 granted patents·43 citations·filing 1993–1998
74Inventor score
Top patents by PatentIndex Score
4 records- 0158US5892645AProtection system for power receiving stationHITACHI LTD·Filed 1997·Granted Apr 6, 1999·27 cites·15 claims
- 0239US6005213AInsulated type switchgear deviceHITACHI LTD·Filed 1998·Granted Dec 21, 1999·7 cites·28 claims
- 0339US5952636AVacuum type switch gear device having L shaped stationary and movable conductors arrangementHITACHI LTD·Filed 1998·Granted Sep 14, 1999·7 cites·8 claims
- 0426US5398964AStarting device for air bagTOKAI RIKA CO LTD·Filed 1993·Granted Mar 21, 1995·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →