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 patentsUS5948914ASep 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