Inventor
SHIGEMATSU RYUSUKE
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SHIGEMATSU RYUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
11 patentsUS6452047B1Sep 17, 2002
Process for producing highly pure aromatic polycarboxylic acid
MITSUBISHI GAS CHEMICAL CO7 citations73
US6072098AJun 6, 2000
Process for producing highly pure 2,6-dimethylnaphthalene
MITSUBISHI GAS CHEMICAL CO12 citations73
US5948949ASep 7, 1999
Process for producing 2,6-dimethylnaphthalene
MITSUBISHI GAS CHEMICAL CO10 citations71
US5481055AJan 2, 1996
Method for isomerizing dimethylnaphthalene
MITSUBISHI GAS CHEMICAL CO7 citations71
US7626057B2Dec 1, 2009
Production of xylylenediamines
MITSUBISHI GAS CHEMICAL CO2 citations61
US10683253B2Jun 16, 2020
Method for producing high-purity terephthalic acid
MITSUBISHI GAS CHEMICAL CO1 citations59
US7625543B2Dec 1, 2009
Production process for carbonized product and carbonized product obtained by the same process
MITSUBISHI GAS CHEMICAL CO3 citations59
US5495060AFeb 27, 1996
Method for isomerizing dimethylnaphthalene
MITSUBISHI GAS CHEMICAL CO5 citations59
US6642412B2Nov 4, 2003
Process for producing a high purity aromatic polycarboxylic acid
MITSUBISHI GAS CHEMICAL CO0 citations51
US6455731B2Sep 24, 2002
Process for producing a high purity aromatic polycarboxylic acid
MITSUBISHI GAS CHEMICAL CO1 citations51
US10385001B2Aug 20, 2019
Method of producing terephthalic acid
MITSUBISHI GAS CHEMICAL CO0 citations39