Inventor

Yoshiki Okeda

Inventor

Kanagawa, JP

Overview

12→

Patents

1991–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

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

C07Dprimary

C07DHeterocyclic compounds25%

C07CAcyclic or carbocyclic compounds18%

C07BGeneral methods of organic chemistry14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

A23GCocoa4%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%

A61KPreparations for medical, dental or toiletry purposes4%

A61QSpecific use of cosmetics or similar toiletry preparations4%

Y02PClimate change mitigation technologies in the production or processing of goods4%

PatentTitleYear

6,774,269'Process for producing isopulegol'2004 6,570,035'Process for producing pivaloyl-acetic acid ester'2003 6,489,522'Process for producing optically active 3,7-dimethyl-6-octenol and process for producing intermediate therefor'2002 6,486,353'Process for producing optically active 3,7-dimethyl-6-octenol and process for producing intermediate therefor'2002 6,043,380'Ruthenium-I0D0-optically active phosphine complex'2000 5,981,782'Ruthenium-optically active phosphine complex, process for the preparation thereof and process for the preparation of optically active 4-methyl-2-oxetanone using same'1999 5,981,771'Ruthenium-optically active phosphine complex, process for the preparation thereof and process for the preparation of optically active 4-methyl-2-oxetanone using same'1999 5,463,118'N-(l-aspartyl)amino alcohol derivative and sweetener containing the same'1995 5,412,109'Process for preparing optically active 4-methyl-2-oxetanone'1995 5,144,042'Process for preparing optically active 3-hydroxypyrrolidine derivatives'1992 5,128,489'Process for production of optically active 2-(tetrahydropyran-2-yloxy)-1-propanol'1992 4,981,992'Process for preparing optically active 3-hydroxybutanoic acid'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2004Patents assigned to TAKASAGO PERFUMERY CO LTD (12)· patent assignee history

1991–2003Based in Kanagawa, JP· patent location history

1992Patents assigned to DAIICHI SEIYAKU CO (1)· patent assignee history

1992–1995Based in Tokyo, JP· patent location history

2004Based in Hiratsuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAKASAGO PERFUMERY CO LTD	12	1991–2004
DAIICHI SEIYAKU CO	1	1992

Locations

Location	Patents	Span
Kanagawa, JP	9	1991–2003
Tokyo, JP	2	1992–1995
Hiratsuka, JP	1	2004