Inventor
HANAMURA TAKEO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “HANAMURA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI CHEMICAL IND
3 patentsUS4335193AJun 15, 1982
Microporous film, particularly battery separator, and method of making
ASAHI CHEMICAL IND86 citations93
US4331622AMay 25, 1982
Method for manufacturing a microporous film having low electrical resistance and high durability
ASAHI CHEMICAL IND34 citations90
US4210709AJul 1, 1980
Microporous film battery separator
ASAHI CHEMICAL IND36 citations87