Inventor

Noriyasu Hirose

Inventor

Tokyo, JP

Overview

1979–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Dprimary

C07DHeterocyclic compounds50%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations35%

C07CAcyclic or carbocyclic compounds15%

PatentTitleYear

6,020,505'Process for the preparation of .alpha.-tocopherol'2000 5,886,197'Process for the preparation of .alpha.-tocopherol'1999 5,663,376'Process for the preparation of .alpha.-tocopherol'1997 5,104,996'Process for preparing 2,3,5-trimethylbenzoquinone'1992 5,102,895'Novel vitamin E derivatives and process for the production thereof'1992 4,567,180'Carboximide derivative and medicines containing same'1986 4,514,395'Phenothiazine derivatives and anti-psychotic drugs containing the same'1985 4,479,954'Piperazine substituted carboxamide derivatives, compositions and method of use'1984 4,376,780'Novel phenethylamine derivatives and bronchdilator containing the same'1983 4,317,930'Phenethylamine derivatives and bronchdilator containing the same'1982 4,139,632'Psychotropic 2-trifluoromethyl-10-[3-(3-hydroxy-pyrrolidino)-propyl]-phenothiazine compounds'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2000Patents assigned to EISAI CO LTD (11)· patent assignee history

1979–1992Based in Kokubunji, JP· patent location history

1984–1999Based in Tokyo, JP· patent location history

1992Based in Ibaraki, JP· patent location history

2000Based in Toyko, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EISAI CO LTD	11	1979–2000

Locations

Location	Patents	Span
Tokyo, JP	5	1984–1999
Kokubunji, JP	4	1979–1992
Toyko, JP	1	2000
Ibaraki, JP	1	1992