P

Inventor

EBATA TAKASHI

JP25 patents
⚠️ This page may combine multiple inventors who share the name “EBATA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JAPAN TOBACCO INC

16 patents
US5391769AFeb 21, 1995

Method of preparing 3-DPA-lactone

JAPAN TOBACCO INC47 citations92
US5322955AJun 21, 1994

Method of manufacturing 3-DPA-lactone

JAPAN TOBACCO INC42 citations92
US5112994AMay 12, 1992

Method of producing (S)-4-hydroxymethyl-γ-lactone

JAPAN TOBACCO INC20 citations81
US5451689ASep 19, 1995

Method of preparing epoxide

JAPAN TOBACCO INC7 citations73
US5412111AMay 2, 1995

Method of preparing (3R,4R)-3-hydroxy-4-hydroxymethyl-4-butanolide

JAPAN TOBACCO INC15 citations73
US5284973AFeb 8, 1994

Method of preparing an acid additional salt of delta-aminolevulinic acid

JAPAN TOBACCO INC14 citations73
US4994585AFeb 19, 1991

Method of preparing (S)-γ-hydroxymethyl-α, β-butenolide

JAPAN TOBACCO INC8 citations73
US5319108AJun 7, 1994

Method for producing (R,Z)-5-tetradecen-4-olide

JAPAN TOBACCO INC3 citations62
US5216177AJun 1, 1993

Method of preparing trans-3,4-disubstituted-γ-lactones

JAPAN TOBACCO INC2 citations62
US5468881ANov 21, 1995

Method of producing cis-whiskey lactone

JAPAN TOBACCO INC4 citations59
US5457192AOct 10, 1995

Method of manufacturing D-allosan

JAPAN TOBACCO INC1 citations52
US5410038AApr 25, 1995

method of preparing D-altrose

JAPAN TOBACCO INC0 citations52
US5416204AMay 16, 1995

Method for preparing 2'-3'-dideoxy-β-nucleosides using 2,2-dideoxy-di(organothio)-pentofuranose intermediates

JAPAN TOBACCO INC0 citations51
US5264561ANov 23, 1993

Method of manufacturing 2',3'-dideoxy-2',3'-didehydronucleosides

JAPAN TOBACCO INC1 citations47
US5621086AApr 15, 1997

Sialic acid derivative and method of manufacturing it

JAPAN TOBACCO INC0 citations41
US5374744ADec 20, 1994

Method for manufacturing 4-substituted-Y-lactone and novel substance

JAPAN TOBACCO INC0 citations41

ISHIDA KIYOHITO

4 patents

TOYO BOSEKI

2 patents

UNIV TOHOKU

2 patents

YUKI GOSEI YAKUHIN KOGYO KK

1 patent