Inventor

Chikara Kaneko

Inventor
Sendai, JP

Overview

15→
Patents
1977–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C07Dprimary
C07DHeterocyclic compounds43%
C07JSteroids22%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C07CAcyclic or carbocyclic compounds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to MASAYUKI ISHIKAWA (1)· patent assignee history
1977Based in Tokyo, JP· patent location history
1979–1980Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (3)· patent assignee history
1979–1980Based in Kanazawa, JP· patent location history
1986–1994Patents assigned to CHISSO CORP (4)· patent assignee history
1986–2002Based in Sendai, JP· patent location history
1988Patents assigned to EISAI CO LTD (1)· patent assignee history
1988Based in Miyagi, JP· patent location history
1998–2002Patents assigned to KURARAY CO (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHISSO CORP41986–1994
KURARAY CO41998–2002
CHUGAI PHARMACEUTICAL CO LTD31979–1980
EISAI CO LTD11988
MASAYUKI ISHIKAWA11977
Locations
LocationPatentsSpan
Sendai, JP91986–2002
Kanazawa, JP31979–1980
Tokyo, JP21977
Miyagi, JP11988