P

Inventor

SUGI KIYOSHI

JP17 patents
⚠️ This page may combine multiple inventors who share the name “SUGI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMIKA FINE CHEMICALS CO LTD

15 patents
US5948914ASep 7, 1999

Piperidine derivative and process for preparing the same

SUMIKA FINE CHEMICALS CO LTD20 citations90
US6730803B2May 4, 2004

Synthetic intermediate for epothilone derivative and production method thereof

SUMIKA FINE CHEMICALS CO LTD27 citations89
US6365745B1Apr 2, 2002

Method for producing hydrazine derivative

SUMIKA FINE CHEMICALS CO LTD53 citations89
US5892094AApr 6, 1999

Process for preparing 4'-methyl-2-cyanobiphenyl

SUMIKA FINE CHEMICALS CO LTD8 citations72
US6369266B1Apr 9, 2002

Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlate

SUMIKA FINE CHEMICALS CO LTD3 citations62
US6333430B1Dec 25, 2001

Process for preparing tert-alkyl ester from carboxylic acid

SUMIKA FINE CHEMICALS CO LTD2 citations62
US5998652ADec 7, 1999

Process for preparing 2-cyanobiphenyl compound

SUMIKA FINE CHEMICALS CO LTD4 citations61
US6815548B2Nov 9, 2004

Process for preparing a piperidine derivative

SUMIKA FINE CHEMICALS CO LTD2 citations60
US6610851B1Aug 26, 2003

Process for preparing a piperidine derivative

SUMIKA FINE CHEMICALS CO LTD2 citations60
US6476227B1Nov 5, 2002

Piperidine derivative and process for preparing the same

SUMIKA FINE CHEMICALS CO LTD3 citations60
US6147218ANov 14, 2000

2-phenylpyridine derivative and production method thereof

SUMIKA FINE CHEMICALS CO LTD2 citations60
US6376678B1Apr 23, 2002

Production method of hydrazine derivative

SUMIKA FINE CHEMICALS CO LTD0 citations51
US6268503B1Jul 31, 2001

2-phenylpyridine derivative and production method thereof

SUMIKA FINE CHEMICALS CO LTD0 citations49
US6242608B1Jun 5, 2001

2-phenylpyridine derivative and production method thereof

SUMIKA FINE CHEMICALS CO LTD0 citations49
US6096894AAug 1, 2000

Production method of 2-(p-alkylphenyl)pyridine compound

SUMIKA FINE CHEMICALS CO LTD1 citations49

SUMITOMO CHEMICAL CO

2 patents