Inventor

Yukihiro Sagawa

Inventor

Saitama, JP

Overview

5→

Patents

1990–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C07Dprimary

C07DHeterocyclic compounds42%

C07CAcyclic or carbocyclic compounds25%

A01NPreservation of bodies of humans or animals or plants or parts thereof8%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

Y02PClimate change mitigation technologies in the production or processing of goods8%

PatentTitleYear

6,452,026'Process for producing optically active threo-3-amino-1,2-epoxy compounds'2002 6,376,685'Process for producing optically active threo-3-amino-1,2-epoxy compounds'2002 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 4,936,121'Condensed heterocyclic compounds, a process for preparing the same and a herbicidal composition thereof'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to DAICEL CHEM (1)· patent assignee history

1990Based in Arai, JP· patent location history

1992–2002Patents assigned to NIPPON KAYAKU KK (4)· patent assignee history

1992–1994Based in Yono, JP· patent location history

2002Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON KAYAKU KK	4	1992–2002
DAICEL CHEM	1	1990

Locations

Location	Patents	Span
Saitama, JP	2	2002
Yono, JP	2	1992–1994
Arai, JP	1	1990