Inventor · disambiguated record
Ryoji Maruyama
Also filed as: MARUYAMA RYOJI
10 granted patents·1 pending application·196 citations·filing 1985–2014
90Inventor score
Top patents by PatentIndex Score
11 records- 0177US5410594ATransmission input/output device with reduced power consumptionTOSHIBA KK·Filed 1991·Granted Apr 25, 1995·77 cites·7 claims
- 0271US6966783B2Contact pin and socket for electrical parts provided with contact pinENPLAS CORP·Filed 2003·Granted Nov 22, 2005·17 cites·18 claims
- 0371US5548151AHall element for detecting a magnetic field perpendicular to a substrateTOSHIBA KK·Filed 1995·Granted Aug 20, 1996·29 cites·23 claims
- 0453US4920312AMultiplierTOSHIBA KK·Filed 1988·Granted Apr 24, 1990·14 cites·5 claims
- 0552US4676589AOptical fiber coupler for connecting two optical cables in alignmentDAI ICHI SEKIO KABUSHIKI KAISH·Filed 1985·Granted Jun 30, 1987·23 cites·10 claims
- 0649US5438258APower multiplication circuit which reduces an offset voltage of a Hall element to zeroTOSHIBA KK·Filed 1993·Granted Aug 1, 1995·14 cites·11 claims
- 0744US6496783B1Electric power calculation systemTOSHIBA KK·Filed 2000·Granted Dec 17, 2002·3 cites·33 claims
- 0842US5554927AElectrical quantity measurement deviceTOSHIBA KK·Filed 1995·Granted Sep 10, 1996·11 cites·7 claims
- 0939US2014176051A1Charging system, charging apparatus, and charging methodTOSHIBA KK·Filed 2014·Application pending·0 cites
- 1038US5924050AArithmetic unitTOSHIBA KK·Filed 1997·Granted Jul 13, 1999·8 cites·16 claims
- 1128US6473699B2Power arithmetic apparatusTOSHIBA KK·Filed 1999·Granted Oct 29, 2002·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →