Inventor
IWAMOTO KEIJI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IWAMOTO KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBE INDUSTRIES
4 patentsUS7741497B2Jun 22, 2010
Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane
UBE INDUSTRIES0 citations51
US7365215B2Apr 29, 2008
Process for preparing 4-aminotetrahydropyran compound and an acid salt thereof, synthetic intermediate thereof and process for preparing the same
UBE INDUSTRIES0 citations51
US7300953B2Nov 27, 2007
Process for preparing nitrile compound, carboxylic acid compound or carboxylic acid ester compound
UBE INDUSTRIES0 citations51
US9758623B2Sep 12, 2017
Polyimide precursor and polyimide
UBE INDUSTRIES0 citations36