Inventor
MATSUO RYUKICHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “MATSUO RYUKICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN PRINTING CO LTD
5 patentsUS5645923AJul 8, 1997
Gas barrier laminated material
TOPPAN PRINTING CO LTD59 citations95
US5589252ADec 31, 1996
Gas barrier laminated material
TOPPAN PRINTING CO LTD31 citations91
US11130322B2Sep 28, 2021
Gas barrier laminate and method of producing the same
TOPPAN PRINTING CO LTD2 citations70
US10773498B2Sep 15, 2020
Laminate film and packaging bag
TOPPAN PRINTING CO LTD1 citations55
US10336044B2Jul 2, 2019
Laminated film and packaging bag
TOPPAN PRINTING CO LTD0 citations44