Inventor · disambiguated record
John D. Ricards
Also filed as: RICARDS JOHN D
3 granted patents·44 citations·filing 1982–1989
71Inventor score
Technology areasG11B
Files withEASTMAN KODAK CO3
Top patents by PatentIndex Score
3 records- 0180US4949208AMultihead magnetic head assembly having a single piece faceplate of magnetic ferriteEASTMAN KODAK CO·Filed 1989·Granted Aug 14, 1990·29 cites·9 claims
- 0249US4825532AMethod for making a multi-head magnetic head assemblyEASTMAN KODAK CO·Filed 1988·Granted May 2, 1989·9 cites·4 claims
- 0343US4527212AMagnetic shield and multitrack magnetic head apparatus using sameEASTMAN KODAK CO·Filed 1982·Granted Jul 2, 1985·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →