Inventor · disambiguated record
Yoshikiyo Futagawa
Also filed as: FUTAGAWA YOSHIKIYO
7 granted patents·178 citations·filing 1975–1994
86Inventor score
Top patents by PatentIndex Score
7 records- 0187US5631675AMethod and apparatus for driving an ink jet recording headSEIKO EPSON CORP·Filed 1994·Granted May 20, 1997·71 cites·15 claims
- 0285US4617563ALiquid crystal display deviceSEIKO EPSON CORP·Filed 1983·Granted Oct 14, 1986·59 cites·22 claims
- 0367US4075623AReference voltage circuitSUWA SEIKOSHA KK·Filed 1976·Granted Feb 21, 1978·13 cites·21 claims
- 0466US4168498ADigital display drive and voltage divider circuitSUWA SEIKOSHA KK·Filed 1976·Granted Sep 18, 1979·18 cites·11 claims
- 0552US4087861ACalculatorEPSON CORP·Filed 1976·Granted May 2, 1978·9 cites·8 claims
- 0639US3991671ADynamically driven printerSUWA SEIKOSHA KK·Filed 1975·Granted Nov 16, 1976·4 cites·12 claims
- 0736US5347300AInk-jet printer driverSEIKO EPSON CORP·Filed 1993·Granted Sep 13, 1994·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →