Inventor
HIRAI KOICHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBE INDUSTRIES
9 patentsUS5455372AOct 3, 1995
Method of producing a glycolic acid ester
UBE INDUSTRIES54 citations95
US4409395AOct 11, 1983
Process for the production of glycollic acid esters
UBE INDUSTRIES28 citations92
US4585890AApr 29, 1986
Process for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for production thereof
UBE INDUSTRIES18 citations81
US4440873AApr 3, 1984
Process for producing ethylene glycol and/or glycolic acid ester, catalyst composition used therefor, and process for production thereof
UBE INDUSTRIES25 citations81
US4614728ASep 30, 1986
Catalyst composition for producing ethylene glycol and process for producing the catalyst composition
UBE INDUSTRIES17 citations74
US4551565ANov 5, 1985
Process for the production of ethylene glycol and/or glycollic acid esters, and catalyst therefor
UBE INDUSTRIES17 citations73
US4511744AApr 16, 1985
Process for producing lower alkylene glycol, catalyst composition used therefor and process for production thereof
UBE INDUSTRIES18 citations73
US5523459AJun 4, 1996
Preparation of α-keto acid ester
UBE INDUSTRIES11 citations72
US4647551AMar 3, 1987
For producing ethylene glycol and/or a glycolic acid ester, catalyst composition and process for producing the catalyst composition
UBE INDUSTRIES5 citations62
SANKYO CO
8 patentsUS5028610AJul 2, 1991
N-benzhydryl-substituted heterocyclic derivatives, their preparation and their use
SANKYO CO40 citations91
US5541317AJul 30, 1996
Azetidinone compounds useful in the preparation of carbapenem antibiotics and process for preparing carbapenem and penem compounds
SANKYO CO8 citations73
US5399711AMar 21, 1995
Thiomarinol compounds
SANKYO CO6 citations70
US4545942AOct 8, 1985
Amino-acid derivatives, their preparation and their use as pharmaceuticals
SANKYO CO15 citations69
US5681951AOct 28, 1997
Metal catalyzed displacement process
SANKYO CO1 citations62
US4064137ADec 20, 1977
Penicillin and cephalosporin derivatives and process for preparing the same
SANKYO CO4 citations54
US5719275AFeb 17, 1998
Silyl enol ether alkylation process
SANKYO CO0 citations51
US5614624AMar 25, 1997
Carbapenem
SANKYO CO0 citations51
HIRAI KOICHI
3 patentsUS8074222B2Dec 6, 2011
Job management device, cluster system, and computer-readable medium storing job management program
HIRAI KOICHI13 citations82
US8180842B2May 15, 2012
Communication device management program
HIRAI KOICHI2 citations61
US8499080B2Jul 30, 2013
Cluster control apparatus, control system, control method, and control program
HIRAI KOICHI0 citations40