Inventor · disambiguated record
Derek Hutchinson
Also filed as: HUTCHINSON DEREK
8 granted patents·186 citations·filing 1982–2000
88Inventor score
Files withMARS INC8
Top patents by PatentIndex Score
8 records- 0177US4625851ACoin testing apparatusMARS INC·Filed 1984·Granted Dec 2, 1986·49 cites·18 claims
- 0273US4601380AApparatus for checking the validity of coinsMARS INC·Filed 1982·Granted Jul 22, 1986·48 cites·32 claims
- 0367US5931277AMoney validation system using acceptance criteriaMARS INC·Filed 1995·Granted Aug 3, 1999·38 cites·50 claims
- 0462US6398001B1Coin validatorMARS INC·Filed 1998·Granted Jun 4, 2002·27 cites·16 claims
- 0558US6359287B1Apparatus for detecting an edge of a documentMARS INC·Filed 2000·Granted Mar 19, 2002·4 cites·8 claims
- 0641US6292579B1Document validator having an inductive sensorMARS INC·Filed 1998·Granted Sep 18, 2001·9 cites·45 claims
- 0737US6070710APhotoelectric measurement method and apparatus and banknote validationMARS INC·Filed 1998·Granted Jun 6, 2000·7 cites·32 claims
- 0833US6188080B1Apparatus for determining the location of an edge of a documentMARS INC·Filed 1997·Granted Feb 13, 2001·4 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →