Inventor · disambiguated record
John S. Roden
Also filed as: RODEN JOHN S
6 granted patents·93 citations·filing 1974–1997
84Inventor score
Top patents by PatentIndex Score
6 records- 0177US5240626AAqueous ferrofluidMINNESOTA MINING & MFG·Filed 1990·Granted Aug 31, 1993·35 cites·43 claims
- 0261US6139946AMagnetic recording media incorporating a quaternary ammonium functional binder and magnetic pigment surface treated with compound having acidic and electron withdrawing functionalitiesIMATION CORP·Filed 1997·Granted Oct 31, 2000·16 cites·49 claims
- 0358US5378384AProcess of making hexagonal magnetic ferrite pigment for high density magnetic recording applicationsMINNESOTA MINING & MFG·Filed 1991·Granted Jan 3, 1995·11 cites·16 claims
- 0455US5626956AHexagonal magnetic ferrite pigment for high density magnetic recording applicationsIMATION CORP·Filed 1993·Granted May 6, 1997·9 cites·11 claims
- 0553US5616414AHexagonal magnetic ferrite pigment for high density magnetic recording applicationsIMATION CORP·Filed 1995·Granted Apr 1, 1997·16 cites·10 claims
- 0645US3932293AMetallic ferromagnetic particles for use in environmentally stable magnetic recording mediaMINNESOTA MINING & MFG·Filed 1974·Granted Jan 13, 1976·6 cites·7 claims
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