Inventor
WILLSON RICHARD F
US12 patents
⚠️ This page may combine multiple inventors who share the name “WILLSON RICHARD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
8 patentsUS4340276AJul 20, 1982
Method of producing a microstructured surface and the article produced thereby
MINNESOTA MINING & MFG175 citations97
US4430659AFeb 7, 1984
Protuberant optical recording medium
MINNESOTA MINING & MFG49 citations91
US4556893ADec 3, 1985
Optical recording medium of high sensitivity
MINNESOTA MINING & MFG27 citations90
US4635076AJan 6, 1987
Two-sided optical recording medium
MINNESOTA MINING & MFG22 citations81
US4539572ASep 3, 1985
Optical recording medium
MINNESOTA MINING & MFG7 citations73
US4470053ASep 4, 1984
Protuberant optical recording medium
MINNESOTA MINING & MFG17 citations72
US5028305AJul 2, 1991
Process for producing magneto-optic recording medium
MINNESOTA MINING & MFG2 citations59
US4950556AAug 21, 1990
Magneto-optic recording medium
MINNESOTA MINING & MFG3 citations59
IMATION CORP
3 patentsUS6776887B2Aug 17, 2004
Method and apparatus for thin film center shielding
IMATION CORP19 citations91
US6301200B1Oct 9, 2001
Magneto-optical data storage disc with highly conductive, smooth reflector layer
IMATION CORP12 citations72
US6709701B2Mar 23, 2004
Method for a tray exchange during continuous production of disks
IMATION CORP0 citations40