Inventor · disambiguated record
Tohoru Tamagawa
Also filed as: TAMAGAWA TOHORU
7 granted patents·151 citations·filing 1977–1994
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US4434332AHybrid-type interrupting apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Feb 28, 1984·60 cites·5 claims
- 0288US4110806ACircuit interrupting apparatus for use in direct current circuitsTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Aug 29, 1978·37 cites·5 claims
- 0382US4442469ADC Circuit breaker apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Apr 10, 1984·25 cites·5 claims
- 0456US4246458AVacuum interrupterTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Jan 20, 1981·9 cites·2 claims
- 0555US4458121ADC Circuit breakerTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jul 3, 1984·9 cites·9 claims
- 0639US5454003AGas laser oscillatorTOSHIBA KK·Filed 1994·Granted Sep 26, 1995·7 cites·10 claims
- 0738US4698467AElectrodes of vacuum switchTOSHIBA KK·Filed 1985·Granted Oct 6, 1987·4 cites·3 claims
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