Inventor
TANAKA YONETA
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA YONETA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIO ELECTRIC INC
11 patentsUS6525804B1Feb 25, 2003
Exposure device capable of aligning while moving mask
USHIO ELECTRIC INC19 citations92
US5934780AAug 10, 1999
Polarized light irradiation device for purposes of optical alignment of an alignment layer of a liquid crystal cell element
USHIO ELECTRIC INC45 citations92
US5881165AMar 9, 1999
Process for the positioning of a mask relative to a workpiece and device for executing the process
USHIO ELECTRIC INC20 citations92
US5874190AFeb 23, 1999
Process for projection exposure of a workpiece with back alignment marks
USHIO ELECTRIC INC34 citations92
US5543890AAug 6, 1996
Process and device for adjusting the distance between a workpiece and a mask
USHIO ELECTRIC INC23 citations91
US5940528AAug 17, 1999
Process for positioning of a mask relative to another mask, or masks relative to a workpiece and device for executing the process
USHIO ELECTRIC INC56 citations90
US6072915AJun 6, 2000
Process for pattern searching and a device for positioning of a mask to a workpiece
USHIO ELECTRIC INC16 citations83
US5777747AJul 7, 1998
Process for positioning a mask relative to a workpiece and device for performing the process
USHIO ELECTRIC INC13 citations73
US11701868B2Jul 18, 2023
Carbon fiber reinforced plastic structure and processing apparatus
USHIO ELECTRIC INC0 citations62
US6046793AApr 4, 2000
Proximity printing device with variable irradiation angle
USHIO ELECTRIC INC5 citations60
US6998738B2Feb 14, 2006
Plain surface stage apparatus
USHIO ELECTRIC INC0 citations51