Inventor

RODEN JOHN S

6 patents

⚠️ This page may combine multiple inventors who share the name “RODEN JOHN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINNESOTA MINING & MFG

3 patents

US5240626AAug 31, 1993

Aqueous ferrofluid

MINNESOTA MINING & MFG35 citations88

US5378384AJan 3, 1995

Process of making hexagonal magnetic ferrite pigment for high density magnetic recording applications

MINNESOTA MINING & MFG11 citations72

US3932293AJan 13, 1976

Metallic ferromagnetic particles for use in environmentally stable magnetic recording media

MINNESOTA MINING & MFG6 citations60

IMATION CORP

3 patents

US6139946AOct 31, 2000

Magnetic recording media incorporating a quaternary ammonium functional binder and magnetic pigment surface treated with compound having acidic and electron withdrawing functionalities

IMATION CORP16 citations76

US5626956AMay 6, 1997

Hexagonal magnetic ferrite pigment for high density magnetic recording applications

IMATION CORP9 citations72

US5616414AApr 1, 1997

Hexagonal magnetic ferrite pigment for high density magnetic recording applications

IMATION CORP16 citations72