Inventor
HIRAKAWA KIKUYA
JP3 patents
Patents
3 patentsUS4155481AMay 22, 1979
Container cover member having synthetic resin openable portion and method for making the same
TOKAN KOGYO CO LTD26 citations78
US4309952AJan 12, 1982
Process for making a container cover member having synthetic resin openable portion
TOKAN KOGYO CO LTD7 citations71
US4244491AJan 13, 1981
Container cover member having synthetic resin openable portion
TOKAN KOGYO CO LTD10 citations71