Inventor

MACHIDA TOMONOBU

JP2 patents

Patents

2 patents

US7061699B2Jun 13, 2006

Projection lens, producing method of projection lens and projector having projection lens

SEIKO EPSON CORP30 citations90

US7588348B2Sep 15, 2009

Lamp device, manufacturing method for same and projector having a lamp device

SEIKO EPSON CORP0 citations40