Inventor
KAYA TOSHIO
JP3 patents
Patents
3 patentsUS4828640AMay 9, 1989
Method of producing films using a peeling jig
MITSUI PETROCHEMICAL IND23 citations80
US4008024AFeb 15, 1977
Apparatus for production of gas-permeable seamless pipes
MITSUI PETROCHEMICAL IND3 citations52
US4797177AJan 10, 1989
Method of cutting an organic membrane
MITSUI PETROCHEMICAL IND1 citations49