Inventor

Eiichiroh Nishikawa

Inventor
Ohi, JP

Overview

6→
Patents
1977–1978
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B01Dprimary
B01DSeparation40%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry40%
C10GCracking hydrocarbon oils20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to TOA NENRYO KOGYO KK (5)· patent assignee history
1977–1978Based in Ohi, JP· patent location history
1977Based in Saitama, JP· patent location history
1978Patents assigned to EXXON RESEARCH ENGINEERING CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOA NENRYO KOGYO KK51977
EXXON RESEARCH ENGINEERING CO11978
Locations
LocationPatentsSpan
Ohi, JP51977–1978
Saitama, JP11977