Inventor

HAYOSHI YOSHINORI

JP2 patents

Patents

2 patents

US6704129B2Mar 9, 2004

Optical scanning apparatus capable of reducing variations in shading and improving light usage

RICOH KK14 citations88

US6806984B2Oct 19, 2004

Optical scanning apparatus capable of reducing variations in shading and improving light usage

RICOH KK1 citations58