Inventor
IMAMIYA YOSHIYUKI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “IMAMIYA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMIKA FINE CHEMICALS CO LTD
4 patentsUS6723845B2Apr 20, 2004
Anhydrous mirtazapine crystals and process for preparing the same
SUMIKA FINE CHEMICALS CO LTD4 citations70
US6552189B2Apr 22, 2003
Anhydrous mirtazapine crystals and process for preparing the same
SUMIKA FINE CHEMICALS CO LTD10 citations70
US6495685B1Dec 17, 2002
Process for preparing piperazine derivatives
SUMIKA FINE CHEMICALS CO LTD10 citations70
US6090970AJul 18, 2000
Production method of alkylated cyanoacetylurea
SUMIKA FINE CHEMICALS CO LTD0 citations50