Inventor
YOKOYAMA FUMIAKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA FUMIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM CORP
5 patentsUS5736262AApr 7, 1998
Magnetic recording medium
MITSUBISHI CHEM CORP55 citations92
US5494722AFeb 27, 1996
Magnetic recording medium and method for its production
MITSUBISHI CHEM CORP31 citations92
US5492745AFeb 20, 1996
Magnetic recording medium and method for its production
MITSUBISHI CHEM CORP27 citations91
US5830577ANov 3, 1998
Surface having a coating of a host multidentate ligand and a reversibly trapped lubricant
MITSUBISHI CHEM CORP38 citations90
US5536577AJul 16, 1996
Magnetic recording medium comprising a protective layer and a lubricant layer which contains a host multidentate ligand and a guest reversibly trapped lubricant
MITSUBISHI CHEM CORP23 citations90
MITSUBISHI CHEM IND
4 patentsUS5352501AOct 4, 1994
Longitudinal magnetic recording medium comprising a circumterentially textured disk substrate, chromium primer layer and a cobalt chromium magnetic alloy layer having a segregation structure
MITSUBISHI CHEM IND31 citations90
US4997539AMar 5, 1991
Method and apparatus for producing a magnetic recording medium
MITSUBISHI CHEM IND22 citations90
US5618448AApr 8, 1997
Glass substrate having surface protrusions for use as a magnetic disc substrate
MITSUBISHI CHEM IND22 citations88
US5846628ADec 8, 1998
Magnetic disc
MITSUBISHI CHEM IND13 citations69