Inventor · disambiguated record
Ryuichi Hagiya
Also filed as: HAGIYA RYUICHI
8 granted patents·342 citations·filing 1996–2002
89Inventor score
Files withALPS ELECTRIC CO LTD8
Top patents by PatentIndex Score
8 records- 0196US5869790ACoordinate input apparatus having orthogonal electrodes on opposite surfaces of a dielectric substrate and through-hole connections and manufacturing method thereofALPS ELECTRIC CO LTD·Filed 1996·Granted Feb 9, 1999·157 cites·14 claims
- 0290US7202855B2Capacitive input deviceALPS ELECTRIC CO LTD·Filed 2002·Granted Apr 10, 2007·67 cites·31 claims
- 0376US6093477ALaminated substrates and data input unit using the sameALPS ELECTRIC CO LTD·Filed 1998·Granted Jul 25, 2000·40 cites·7 claims
- 0454US5926171ACoordinate data input deviceALPS ELECTRIC CO LTD·Filed 1997·Granted Jul 20, 1999·29 cites·3 claims
- 0553US5896127ACoordinate data input device and method of fabricating the sameALPS ELECTRIC CO LTD·Filed 1997·Granted Apr 20, 1999·24 cites·4 claims
- 0642US5973282ASheet-shaped switchALPS ELECTRIC CO LTD·Filed 1996·Granted Oct 26, 1999·8 cites·15 claims
- 0740US6184872B1Coordinate data input device and method of fabricating the sameALPS ELECTRIC CO LTD·Filed 1998·Granted Feb 6, 2001·11 cites·1 claims
- 0837US5892191ASheet-like switch with nonoverlapping conductive patternsALPS ELECTRIC CO LTD·Filed 1996·Granted Apr 6, 1999·6 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Ryuichi Hagiya files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →