Inventor · disambiguated record
Hendrik K. Kreeft
Also filed as: KREEFT HENDRIK K
4 granted patents·72 citations·filing 1983–1997
78Inventor score
Top patents by PatentIndex Score
4 records- 0170US4632327AApparatus for filling a cassette with a length of magnetic tapePHILIPS CORP·Filed 1983·Granted Dec 30, 1986·16 cites·15 claims
- 0263US5908234ALuminaire having a synthetic resin coverPHILIPS CORP·Filed 1997·Granted Jun 1, 1999·32 cites·5 claims
- 0362US4699328AMethod of filling a cassette with a length of magnetic tapePHILIPS CORP·Filed 1986·Granted Oct 13, 1987·13 cites·11 claims
- 0451US4681280AMagnetic-tape cassette with stretched liner arrangementPOLYGRAM INT HOLDING·Filed 1986·Granted Jul 21, 1987·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →