Inventor
YAMAUCHI YOSHIHITO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI YOSHIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM CORP
3 patentsUS11492553B2Nov 8, 2022
Poly(vinyl alcohol)-based resin, dispersing agent and dispersing agent for suspension
MITSUBISHI CHEM CORP0 citations58
US12460027B2Nov 4, 2025
Method for producing polyvinyl alcohol resin
MITSUBISHI CHEM CORP0 citations57
US12312424B2May 27, 2025
Polyvinyl alcohol-based resin, method for producing polyvinyl alcohol-based resin, dispersing agent and dispersing agent for suspension polymerization
MITSUBISHI CHEM CORP0 citations49
NIPPON SYNTHETIC CHEM IND CO LTD
2 patentsUS10815039B2Oct 27, 2020
Packaging bag, and method for storing melt-processable polyvinyl alcohol resin with the use of the packaging bag
NIPPON SYNTHETIC CHEM IND CO LTD1 citations57
US9593174B2Mar 14, 2017
Acetoacetyl group-containing polyvinyl alcohol resin powder composition, and production method therefor
NIPPON SYNTHETIC CHEM IND CO LTD0 citations44