Inventor
UTSUNOMIYA MASARU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “UTSUNOMIYA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM CORP
17 patentsUS6429316B1Aug 6, 2002
Process for preparing pyrrolidone derivative
MITSUBISHI CHEM CORP11 citations68
US12215191B2Feb 4, 2025
Polyalkylene ether glycol composition and method for producing the same
MITSUBISHI CHEM CORP0 citations60
US10487032B2Nov 26, 2019
Production method for 1,4-butanediol
MITSUBISHI CHEM CORP1 citations60
US10450404B2Oct 22, 2019
Production methods of polyester and polyurethane
MITSUBISHI CHEM CORP1 citations60
US10844030B2Nov 24, 2020
Method for producing furfural
MITSUBISHI CHEM CORP0 citations51
US9126963B2Sep 8, 2015
Method for producing tetrahydrofuran
MITSUBISHI CHEM CORP0 citations51
US10144687B2Dec 4, 2018
Method for producing 1,4-butanediol
MITSUBISHI CHEM CORP0 citations50
US10065938B2Sep 4, 2018
Method for producing hydride using unsaturated compound having carbon number of 4 as raw material
MITSUBISHI CHEM CORP0 citations50
US9695140B2Jul 4, 2017
Gamma-butyrolactone composition and method for producing same
MITSUBISHI CHEM CORP0 citations50
US9598388B2Mar 21, 2017
Method for producing tetrahydrofuran
MITSUBISHI CHEM CORP0 citations50
US9522897B2Dec 20, 2016
Method for producing hydride using unsaturated compound having carbon number of 4 as raw material
MITSUBISHI CHEM CORP1 citations50
US10472311B2Nov 12, 2019
1,4-butanediol-containing composition
MITSUBISHI CHEM CORP0 citations48
US9434706B2Sep 6, 2016
1,4-butanediol-containing composition
MITSUBISHI CHEM CORP1 citations48
US10370684B2Aug 6, 2019
Treatment method of saccharide solution
MITSUBISHI CHEM CORP0 citations46
US6492532B2Dec 10, 2002
Method for producing carbonyl compound by dehydrogenating alcohol
MITSUBISHI CHEM CORP0 citations46
US10023883B2Jul 17, 2018
Method for treating sugar solution, hydrogenated sugar solution, method for producing organic compound, and method for culturing microorganisms
MITSUBISHI CHEM CORP0 citations41
US9556307B2Jan 31, 2017
Method for producing polybutylene terephthalate
MITSUBISHI CHEM CORP0 citations40