Inventor

Kiyoshi Nagai

Inventor
Kyoto, JP

Overview

4→
Patents
1997–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%
C07DHeterocyclic compounds27%
B01DSeparation9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C08LCompositions of macromolecular compounds9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to KAKEN PHARMA CO LTD (3)· patent assignee history
1997–1999Based in Kyoto, JP· patent location history
2021Patents assigned to DAICEL CORP (1)· patent assignee history
2021Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAKEN PHARMA CO LTD31997–1999
DAICEL CORP12021
Locations
LocationPatentsSpan
Kyoto, JP31997–1999
Himeji, JP12021