Inventor

Kohei Ninomiya

Inventor
Ichihara, JP

Overview

6→
Patents
1990–2001
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds30%
B01DSeparation20%
C07DHeterocyclic compounds20%
C07BGeneral methods of organic chemistry10%
F26BDrying solid materials or objects by removing liquid therefrom10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to UBE INDUSTRIES (6)· patent assignee history
1990–1993Based in Ichihara, JP· patent location history
1993Patents assigned to HITACHI LTD (1)· patent assignee history
1993Patents assigned to WATANABE SHIYOUKOU KK (1)· patent assignee history
2000Based in Ube, JP· patent location history
2001Based in Yamaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UBE INDUSTRIES61990–2001
HITACHI LTD11993
WATANABE SHIYOUKOU KK11993
Locations
LocationPatentsSpan
Ichihara, JP41990–1993
Yamaguchi, JP12001
Ube, JP12000