Inventor · disambiguated record
Eiji Ohtsuka
Also filed as: OHTSUKA EIJI
4 granted patents·66 citations·filing 1989–1989
76Inventor score
Files withTOSHIBA KK4
Top patents by PatentIndex Score
4 records- 0170US5007049AElectronic exchange having a conference telephone communication function and conference telephone communication methodTOSHIBA KK·Filed 1989·Granted Apr 9, 1991·39 cites·5 claims
- 0247US5077734AElectronic exchange apparatus synchronized with digital networkTOSHIBA KK·Filed 1989·Granted Dec 31, 1991·16 cites·11 claims
- 0339US4987591AElectronic telephone apparatus able to supply sync clock signals reliably, and method of controlling the supply of sync clock signalsTOSHIBA KK·Filed 1989·Granted Jan 22, 1991·10 cites·9 claims
- 0426US5099474ADigital exchange and its control methodTOSHIBA KK·Filed 1989·Granted Mar 24, 1992·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →