Inventor

Takashi Ebata

Inventor

Yokohama, JP

Overview

17→

Patents

1991–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds41%

C07HSugars30%

Y02PClimate change mitigation technologies in the production or processing of goods22%

C07CAcyclic or carbocyclic compounds4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

PatentTitleYear

5,621,086'Sialic acid derivative and method of manufacturing it'1997 5,468,881'Method of producing cis-whiskey lactone'1995 5,457,192'Method of manufacturing D-allosan'1995 5,451,689'Method of preparing epoxide'1995 5,416,204'Method for preparing 2\'-3\'-dideoxy-.beta.-nucleosides using 2,2-dideoxy-di(organothio)-pentofuranose intermediates'1995 5,412,111'Method of preparing (3R,4R)-3-hydroxy-4-hydroxymethyl-4-butanolide'1995 5,410,038'method of preparing D-altrose'1995 5,391,769'Method of preparing 3-DPA-lactone'1995 5,374,744'Method for manufacturing 4-substituted-Y-lactone and novel substance'1994 5,322,955'Method of manufacturing 3-DPA-lactone'1994 5,319,108'Method for producing (R,Z)-5-tetradecen-4-olide'1994 5,284,973'Method of preparing an acid additional salt of delta-aminolevulinic acid'1994 5,264,561'Method of manufacturing 2\',3\'-dideoxy-2\',3\'-didehydronucleosides'1993 5,216,177'Method of preparing trans-3,4-disubstituted-.gamma.-lactones'1993 5,112,994'Method of producing (S)-4-hydroxymethyl-.gamma.-lactone'1992 5,006,646'Process for preparing 2\'-deoxy-5-trifluoromethyl-beta-uridine'1991 4,994,585'Method of preparing (S)-.gamma.-hydroxymethyl-.alpha., .beta.-butenolide'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1997Patents assigned to JAPAN TOBACCO INC (16)· patent assignee history

1991–1995Patents assigned to YUKI GOSEI YAKUHIN KOGYO KK (5)· patent assignee history

1991Patents assigned to JAPAN TOBACCO CO (1)· patent assignee history

1991–1997Based in Yokohama, JP· patent location history

1991–1993Based in Kanagawa, JP· patent location history

1994Patents assigned to FUJI FLAVOR CO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN TOBACCO INC	16	1991–1997
YUKI GOSEI YAKUHIN KOGYO KK	5	1991–1995
FUJI FLAVOR CO	2	1994
JAPAN TOBACCO CO	1	1991

Locations

Location	Patents	Span
Yokohama, JP	15	1991–1997
Kanagawa, JP	2	1991–1993