Inventor · disambiguated record
Tohru Tsubaki
Also filed as: TSUBAKI TOHRU
6 granted patents·82 citations·filing 1974–1990
83Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0176US4503481AGas insulated switchgear equipmentHITACHI LTD·Filed 1982·Granted Mar 5, 1985·32 cites·16 claims
- 0262US4890193AGas-insulated switchgear equipmentHITACHI LTD·Filed 1988·Granted Dec 26, 1989·21 cites·5 claims
- 0362US3941963ACircuit breakerHITACHI LTD·Filed 1974·Granted Mar 2, 1976·11 cites·6 claims
- 0439US4658329AGas-insulated switchgear apparatusHITACHI LTD·Filed 1985·Granted Apr 14, 1987·8 cites·8 claims
- 0532US5084600AGas-blast load-break switchHITACHI LTD·Filed 1990·Granted Jan 28, 1992·4 cites·7 claims
- 0632US4933802AGas insulated switchgear system having single phase reserve busHITACHI LTD·Filed 1989·Granted Jun 12, 1990·6 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Tohru Tsubaki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →