Inventor
YUASA YOSHIFUMI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YUASA YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAKASAGO PERFUMERY CO LTD
10 patentsUS5959161ASep 28, 1999
Method for producing para-menthane-3,8-diol
TAKASAGO PERFUMERY CO LTD114 citations94
US5859249AJan 12, 1999
2-phenyl-2-(2'-piperidinylidene)acetate derivative, process for manufacturing the same, and process for manufacturing optically active 2-phenyl-2-(2'-piperidinyl)acetate derivative by asymmetrically hydrogenating the same
TAKASAGO PERFUMERY CO LTD23 citations91
US5599954AFeb 4, 1997
N-substituted-7-amino-5-hydroxy-3-oxoheptanoic acid derivatives and method for producing the same
TAKASAGO PERFUMERY CO LTD29 citations89
US5801271ASep 1, 1998
7-(n-substituted amino)-2-phenylheptanoic acid derivative and process for manufacturing the same
TAKASAGO PERFUMERY CO LTD7 citations72
US5945559AAug 31, 1999
Process for producing 3-oxocarboxylic acid esters
TAKASAGO PERFUMERY CO LTD14 citations71
US5780649AJul 14, 1998
Process for preparing optically active cyclic compounds
TAKASAGO PERFUMERY CO LTD16 citations69
US5942629AAug 24, 1999
Process for producing optically active pyrrolidine derivatives
TAKASAGO PERFUMERY CO LTD2 citations61
US5463118AOct 31, 1995
N-(l-aspartyl)amino alcohol derivative and sweetener containing the same
TAKASAGO PERFUMERY CO LTD2 citations60
US5587510ADec 24, 1996
(S)-2-aralkyl-3-chloropropionic acid and process for the preparation thereof
TAKASAGO PERFUMERY CO LTD1 citations47
US5581007ADec 3, 1996
Process for preparing optically active allophenylnorstatin derivatives
TAKASAGO PERFUMERY CO LTD0 citations41