Inventor

Yoshinori Sakuma

Inventor
Ibaraki, JP

Overview

6→
Patents
1990–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary
C07DHeterocyclic compounds35%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations29%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments18%
A61KPreparations for medical, dental or toiletry purposes6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
Y02PClimate change mitigation technologies in the production or processing of goods6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2006Patents assigned to EISAI CO LTD (6)· patent assignee history
1990Based in Ushiku, JP· patent location history
2001–2006Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD61990–2006
Locations
LocationPatentsSpan
Ibaraki, JP52001–2006
Ushiku, JP11990