Inventor
NAKANO MASAMI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “NAKANO MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHINETSU HANDOTAI KK
11 patentsUS5951374ASep 14, 1999
Method of polishing semiconductor wafers
SHINETSU HANDOTAI KK57 citations96
US5665168ASep 9, 1997
Method for cleaning semiconductor silicon wafer
SHINETSU HANDOTAI KK26 citations92
US5626681AMay 6, 1997
Method of cleaning semiconductor wafers
SHINETSU HANDOTAI KK26 citations92
US5494862AFeb 27, 1996
Method of making semiconductor wafers
SHINETSU HANDOTAI KK47 citations91
US5447890ASep 5, 1995
Method for production of wafer
SHINETSU HANDOTAI KK20 citations91
US6110839AAug 29, 2000
Method of purifying alkaline solution and method of etching semiconductor wafers
SHINETSU HANDOTAI KK30 citations90
US5581837ADec 10, 1996
Brush cleaning apparatus and cleaning system for disk-shaped objects using same
SHINETSU HANDOTAI KK41 citations89
US5007071AApr 9, 1991
Method of inspecting bonded wafers
SHINETSU HANDOTAI KK20 citations82
US5759087AJun 2, 1998
Method for inducing damage for gettering to single crystal silicon wafer
SHINETSU HANDOTAI KK12 citations74
US5662743ASep 2, 1997
Method of cleaning silicon wafers in cleaning baths with controlled vertical surface oscillations and controlled in/out speeds
SHINETSU HANDOTAI KK8 citations73
US5640238AJun 17, 1997
Method of inspecting particles on wafers
SHINETSU HANDOTAI KK14 citations73
SEH AMERICA INC
4 patentsUS6503363B2Jan 7, 2003
System for reducing wafer contamination using freshly, conditioned alkaline etching solution
SEH AMERICA INC16 citations83
US5983907ANov 16, 1999
Method of drying semiconductor wafers using hot deionized water and infrared drying
SEH AMERICA INC12 citations66
US5972802AOct 26, 1999
Prevention of edge stain in silicon wafers by ozone dipping
SEH AMERICA INC5 citations58
US5893982AApr 13, 1999
Prevention of edge stain in silicon wafers by oxygen annealing
SEH AMERICA INC4 citations58
MITSUI TOATSU CHEMICALS
4 patentsUS5382465AJan 17, 1995
Anthraquinonic colorant and polarizing film containing the colorant
MITSUI TOATSU CHEMICALS3 citations63
US5252769AOct 12, 1993
Anthraquinonic colorant and polarizing film containing the colorant
MITSUI TOATSU CHEMICALS2 citations63
US5237044AAug 17, 1993
Polyimide sheet and preparation process of the sheet
MITSUI TOATSU CHEMICALS5 citations62
US5233011AAug 3, 1993
Process for preparing insulated wire
MITSUI TOATSU CHEMICALS4 citations62