Inventor · disambiguated record
Tohru Tamagawa
Also filed as: TAMAGAWA TOHRU
5 granted patents·49 citations·filing 1979–1993
78Inventor score
Top patents by PatentIndex Score
5 records- 0183US4305107ADC Interrupting apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Dec 8, 1981·32 cites·8 claims
- 0254US4262215ADirect current interrupterTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Apr 14, 1981·8 cites·3 claims
- 0335US4736078AMethod for processing vacuum switch and vacuum switch processed by the methodTOSHIBA KK·Filed 1987·Granted Apr 5, 1988·3 cites·8 claims
- 0432US5408490AGas laser deviceTOSHIBA KK·Filed 1993·Granted Apr 18, 1995·3 cites·14 claims
- 0531US5295149AGas laser deviceTOSHIBA KK·Filed 1993·Granted Mar 15, 1994·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →