Inventor · disambiguated record
Sherif Danish
Also filed as: DANISH SHERIF
8 granted patents·1 pending application·411 citations·filing 1982–2007
90Inventor score
Top patents by PatentIndex Score
9 records- 0190US5339358ATelephone keypad matrixDANISH INTERNATIONAL INC·Filed 1992·Granted Aug 16, 1994·179 cites·4 claims
- 0289US5392338AEntry of alphabetical characters into a telephone system using a conventional telephone keypadDANISH INTERNATIONAL INC·Filed 1992·Granted Feb 21, 1995·101 cites·2 claims
- 0384US4616213ACapacitive multikey keyboard for inputting data into a computerPOLYTEL CORP·Filed 1983·Granted Oct 7, 1986·30 cites·18 claims
- 0479US4555693AMultikey keyboard for inputting data into a computerPOLYTEL CORP·Filed 1982·Granted Nov 26, 1985·29 cites·19 claims
- 0563US4532497AMatrix keyboard with plurality of sequences of cascaded electrical elementsPOLYTEL CORP·Filed 1983·Granted Jul 30, 1985·12 cites·7 claims
- 0662US4567469AMatrix keyboardPOLYTEL CORP·Filed 1983·Granted Jan 28, 1986·14 cites·11 claims
- 0761US5121472AMethod for replacing keyboard data using single step process modePOLYTEL COMPUTER PRODUCTS CORP·Filed 1989·Granted Jun 9, 1992·37 cites·10 claims
- 0847US2007279255A1Character entry and display method for use with a keypadDANISH SHERIF·Filed 2007·Application pending·0 cites
- 0944US4444997ADevice for generating electric signals representing the position coordinates of a stylus on a reference surfacePOLYTEL COMPUTER PRODUCTS CORP·Filed 1982·Granted Apr 24, 1984·9 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →