Inventor

Kunikazu Sakai

Inventor
Tokyo, JP

Overview

12→
Patents
1980–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

C07Dprimary
C07DHeterocyclic compounds53%
A01NPreservation of bodies of humans or animals or plants or parts thereof21%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
A61KPreparations for medical, dental or toiletry purposes5%
C07CAcyclic or carbocyclic compounds5%
Y02PClimate change mitigation technologies in the production or processing of goods5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2000Patents assigned to SAGAMI CHEM RES (6)· patent assignee history
1980–1981Based in Yamato, JP· patent location history
1984–1985Based in Kanagawa, JP· patent location history
1990–1993Patents assigned to SUMITOMO PHARMA (2)· patent assignee history
1990–2002Based in Tokyo, JP· patent location history
1993Based in Setagaya, JP· patent location history
1998–2000Patents assigned to BAL PLANNING CO LTD (3)· patent assignee history
1998–2000Patents assigned to TAMA BIOCHEMICAL CO LTD (3)· patent assignee history
2001Based in Saitama, JP· patent location history
2002Patents assigned to AVENTIS PHARMA SA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAGAMI CHEM RES61980–2000
BAL PLANNING CO LTD31998–2000
TAMA BIOCHEMICAL CO LTD31998–2000
SUMITOMO PHARMA21990–1993
AVENTIS PHARMA SA12002
Locations
LocationPatentsSpan
Tokyo, JP61990–2002
Kanagawa, JP21984–1985
Yamato, JP21980–1981
Saitama, JP12001
Setagaya, JP11993