Inventor

Akira Shiozawa

Inventor

Omiya, JP

Overview

13→

Patents

1980–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

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

C07Dprimary

C07DHeterocyclic compounds57%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%

C07CAcyclic or carbocyclic compounds13%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%

C07HSugars4%

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

PatentTitleYear

5,610,315'Process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives'1997 5,484,954'Process for the preparation of 6,7-diacyl-7-deacteylforskolin derivatives'1996 5,374,625'Adenine and guanine derivatives for the treatment of hepatitis virus infections'1994 5,324,730'Phenoxyphosphoryloxymethyl cyclobutyl purines'1994 5,302,730'Process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives'1994 5,296,492'Certain chroman derivatives useful for treating symptoms caused by contraction of smooth muscles, circulatory diseases or epilepsy'1994 5,166,397'Process for producing optically active cyclobutylamines'1992 5,103,022'Process for producing an optically active aminoketone derivative'1992 5,057,535'Derivatives of an aminoketone'1991 4,954,642'Forskolin compounds'1990 4,841,051'Phenylpiperazine derivatives'1989 4,308,273'1,6-Naphthyridine derivatives, and antidinic and cerebral circulation improver containing such derivatives'1981 4,237,141'Derivatives of .alpha.-methyl-.beta.-aminopropiophenone and use thereof'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1997Patents assigned to NIPPON KAYAKU KK (13)· patent assignee history

1980–1981Based in Tokyo, JP· patent location history

1989Based in Saitama, JP· patent location history

1990–1997Based in Omiya, JP· patent location history

1992Based in Oomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON KAYAKU KK	13	1980–1997

Locations

Location	Patents	Span
Omiya, JP	9	1990–1997
Tokyo, JP	2	1980–1981
Oomiya, JP	1	1992
Saitama, JP	1	1989