Inventor · disambiguated record
Tsutomu Otake
Also filed as: OTAKE TSUTOMU
6 granted patents·130 citations·filing 1974–1996
85Inventor score
Files withSUWA SEIKOSHA KK5
Top patents by PatentIndex Score
6 records- 0184US3979656ABattery charging circuitSUWA SEIKOSHA KK·Filed 1974·Granted Sep 7, 1976·31 cites·5 claims
- 0262US4057739AElectro-chromic display driving circuitSUWA SEIKOSHA KK·Filed 1976·Granted Nov 8, 1977·16 cites·9 claims
- 0352US4086003AElectrochromic display cellSUWA SEIKOSHA KK·Filed 1975·Granted Apr 25, 1978·13 cites·4 claims
- 0446US5947897AMedical electrode assembly and medical equipment provided with the medical electrode assemblyFiled 1996·Granted Sep 7, 1999·55 cites·22 claims
- 0542US4006969AElectro-chromic display deviceSUWA SEIKOSHA KK·Filed 1975·Granted Feb 8, 1977·8 cites·10 claims
- 0640US4019809AElectrochromic display deviceSUWA SEIKOSHA KK·Filed 1975·Granted Apr 26, 1977·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →