Inventor

YUTANI KEIKO

JP2 patents

Patents

2 patents

US7010236B2Mar 7, 2006

Equipment unit with imperceptible information recorded thereon being used with an image forming device and an image forming device comprising the same

SHARP KK9 citations71

US6957024B2Oct 18, 2005

Image forming device, toner and copy

SHARP KK11 citations71