Inventor · disambiguated record
Fumiaki Yokoyama
Also filed as: YOKOYAMA FUMIAKI
10 granted patents·262 citations·filing 1989–2006
91Inventor score
Top patents by PatentIndex Score
10 records- 0184US5736262AMagnetic recording mediumMITSUBISHI CHEM CORP·Filed 1995·Granted Apr 7, 1998·55 cites·14 claims
- 0278US5492745AMagnetic recording medium and method for its productionMITSUBISHI CHEM CORP·Filed 1994·Granted Feb 20, 1996·27 cites·21 claims
- 0376US4997539AMethod and apparatus for producing a magnetic recording mediumMITSUBISHI CHEM IND·Filed 1989·Granted Mar 5, 1991·22 cites·19 claims
- 0475US5536577AMagnetic recording medium comprising a protective layer and a lubricant layer which contains a host multidentate ligand and a guest reversibly trapped lubricantMITSUBISHI CHEM CORP·Filed 1994·Granted Jul 16, 1996·23 cites·14 claims
- 0570US5494722AMagnetic recording medium and method for its productionMITSUBISHI CHEM CORP·Filed 1993·Granted Feb 27, 1996·31 cites·19 claims
- 0666US5352501ALongitudinal magnetic recording medium comprising a circumterentially textured disk substrate, chromium primer layer and a cobalt chromium magnetic alloy layer having a segregation structureMITSUBISHI CHEM IND·Filed 1990·Granted Oct 4, 1994·31 cites·22 claims
- 0762US5830577ASurface having a coating of a host multidentate ligand and a reversibly trapped lubricantMITSUBISHI CHEM CORP·Filed 1996·Granted Nov 3, 1998·38 cites·5 claims
- 0855US5846628AMagnetic discMITSUBISHI CHEM IND·Filed 1996·Granted Dec 8, 1998·13 cites·5 claims
- 0954US5618448AGlass substrate having surface protrusions for use as a magnetic disc substrateMITSUBISHI CHEM IND·Filed 1995·Granted Apr 8, 1997·22 cites·4 claims
- 1044US8673450B2Graphite member for beam-line internal member of ion implantation apparatusSAITO KIYOSHI·Filed 2006·Granted Mar 18, 2014·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →