Inventor · disambiguated record
Roelof R. Jonker
Also filed as: JONKER ROELOF R
4 granted patents·44 citations·filing 1973–1981
70Inventor score
Top patents by PatentIndex Score
4 records- 0181US3936646ACollimator kitJONKER ROELOF R·Filed 1973·Granted Feb 3, 1976·39 cites·11 claims
- 0241US4089019AMulti-image cassette holderJONKER ROELOF R·Filed 1976·Granted May 9, 1978·3 cites·9 claims
- 0321US4343542ASmoothing device for scan lines of a photographed CRT displayN I S E INC·Filed 1981·Granted Aug 10, 1982·2 cites·28 claims
- 0418US4196991AMulti-image film cassette holder with automatic positioningNISE INC·Filed 1978·Granted Apr 8, 1980·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →