Inventor · disambiguated record
Yuji Urayama
Also filed as: URAYAMA YUJI
4 granted patents·29 citations·filing 1975–1987
70Inventor score
Top patents by PatentIndex Score
4 records- 0167US4640990ATelephone answering apparatus having two integrators of different time constantsTAMURA ELECTRIC WORKS LTD·Filed 1983·Granted Feb 3, 1987·20 cites·11 claims
- 0239US4806861AMethod and system for detecting tape defects by transporting a tape in two directionsVICTOR COMPANY OF JAPAN·Filed 1987·Granted Feb 21, 1989·7 cites·6 claims
- 0328US4005271AAutomatic telephone answering and recording apparatusVICTOR COMPANY OF JAPAN·Filed 1975·Granted Jan 25, 1977·2 cites·4 claims
- 0424US4574320ADictating machine having a revising functionVICTOR COMPANY OF JAPAN·Filed 1983·Granted Mar 4, 1986·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →