Inventor
KATSUURA TAKAHITO
JP2 patents
Patents
2 patentsUS6827232B1Dec 7, 2004
Resin case providing compatibility between air permeability and water proofing property, and mold for producing such case
TOKAI KOGYO CO LTD42 citations89
US7442334B2Oct 28, 2008
Resin case in which gas-permeability and waterproof quality are compatible, and die for manufacturing such case
TOKAI KOGYO CO LTD16 citations80