Inventor
UMEYAMA HIROSHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “UMEYAMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN PRINTING CO LTD
3 patentsUS5164438ANov 17, 1992
Resin composition having oxygen barrier quality
TOPPAN PRINTING CO LTD13 citations71
US5405880AApr 11, 1995
Polyolefinic composition having oxygen barrier property, as well as sheet and container made of said composition
TOPPAN PRINTING CO LTD15 citations67
US8012560B2Sep 6, 2011
Optical disc and method of manufacturing same
TOPPAN PRINTING CO LTD0 citations48