Inventor
KUMANO KATSUFUMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KUMANO KATSUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO BOSEKI
5 patentsUS5422175AJun 6, 1995
Void-containing composite film of polyester type
TOYO BOSEKI118 citations97
US5084334AJan 28, 1992
Void-containing polyester-type film, and its laminate
TOYO BOSEKI62 citations95
US6323308B1Nov 27, 2001
Aliphatic polyester film
TOYO BOSEKI44 citations92
US6649260B2Nov 18, 2003
Optical coating film
TOYO BOSEKI13 citations83
US7198857B2Apr 3, 2007
Polyester film for forming
TOYO BOSEKI4 citations62