Inventor

MATSUDA TOKUJI

JP2 patents

Patents

2 patents

US7612951B2Nov 3, 2009

Projection lens unit

KONICA MINOLTA OPTO INC8 citations79

US8007116B2Aug 30, 2011

Video projection device having a converter lens attachably and detachably provided

KONICA MINOLTA OPTO INC3 citations57