Inventor

SAKAI KEN-ICHI

JP2 patents

⚠️ This page may combine multiple inventors who share the name “SAKAI KEN-ICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YAMAKAWA CHEMICAL IND

1 patent

US5792869AAug 11, 1998

Process for preparing optically active piperazine derivatives and Intermediates for preparation

YAMAKAWA CHEMICAL IND8 citations65

EISAI CO LTD

1 patent

US6620945B2Sep 16, 2003

Process for producing stereoisomer of pyrrolidine derivative

EISAI CO LTD0 citations35