Inventor
OSAWA YASUHIRO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “OSAWA YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
5 patentsUS6476551B1Nov 5, 2002
LED array head and minute reflection optical elements array for use in the LED array head
RICOH KK58 citations94
US6577332B2Jun 10, 2003
Optical apparatus and method of manufacturing optical apparatus
RICOH KK33 citations89
US5260586ANov 9, 1993
Optical exclusive-or element
RICOH KK12 citations73
US6069741AMay 30, 2000
Optical device having aperture arrays for shielding light
RICOH KK13 citations71
US5200605AApr 6, 1993
Optically functional device with integral resistance layer
RICOH KK5 citations60