Inventor
TSUTSUMI YOTARO
JP6 patents
Patents
6 patentsUS4454979AJun 19, 1984
Laminated packing bag with spout formed from handle portion
TOYO SEIKAN KAISHA LTD67 citations94
US4403710ASep 13, 1983
Easily-openable heat seal lid
TOYO SEIKAN KAISHA LTD29 citations91
US4473989AOct 2, 1984
Method, a line and a pouch supporting base for automatically filling up and sealing pouches at high speed
TOYO SEIKAN KAISHA LTD57 citations90
US5312659AMay 17, 1994
Laminated film bag for packaging food
TOYO SEIKAN KAISHA LTD26 citations89
US4428494AJan 31, 1984
Easily-openable heat seal lid
TOYO SEIKAN KAISHA LTD26 citations81
USD272047SJan 3, 1984
Bag for holding liquid
TOYO SEIKAN KAISHA LTD17 citations81