Inventor
IDESAWA MASANORI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “IDESAWA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RIKAGAKU KENKYUSHO
11 patentsUS4117340ASep 26, 1978
Electron beam exposure system
RIKAGAKU KENKYUSHO16 citations79
US4182958AJan 8, 1980
Method and apparatus for projecting a beam of electrically charged particles
RIKAGAKU KENKYUSHO19 citations78
US5138146AAug 11, 1992
Image position sensitive device with multiple output electrodes
RIKAGAKU KENKYUSHO7 citations73
US5113063AMay 12, 1992
Method of monitoring focusing condition using rate of change signal at a border in a semiconductor image position sensitive device
RIKAGAKU KENKYUSHO7 citations73
US4961096AOct 2, 1990
Semiconductor image position sensitive device with primary and intermediate electrodes
RIKAGAKU KENKYUSHO10 citations73
US4637715AJan 20, 1987
Optical distance measuring apparatus
RIKAGAKU KENKYUSHO18 citations73
US4112305ASep 5, 1978
Method of projecting a beam of charged particles
RIKAGAKU KENKYUSHO8 citations72
US4457626AJul 3, 1984
Apparatus for determining the position of a mark on an object
RIKAGAKU KENKYUSHO5 citations61
US6138393AOct 31, 2000
Apparatus for formation of visual sense effect
RIKAGAKU KENKYUSHO2 citations57
US5611162AMar 18, 1997
Apparatus for formation of visual sense effect and method for formation of visual sense effect
RIKAGAKU KENKYUSHO0 citations51
US6134818AOct 24, 2000
Apparatus for formation of visual sense effect
RIKAGAKU KENKYUSHO0 citations46