Inventor

Fumio Akiya

Inventor
Ibaraki, JP

Overview

3→
Patents
1978–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C07CAcyclic or carbocyclic compounds20%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact20%
Y02PClimate change mitigation technologies in the production or processing of goods20%
B01DSeparation10%
C08LCompositions of macromolecular compounds10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to SHIN ETSU CHEMICAL COMPANY (1)· patent assignee history
1978Based in Urawa, JP· patent location history
1998–1999Patents assigned to KASHIMA VINYL CHLORIDE MONOMER (2)· patent assignee history
1998–1999Patents assigned to SHINETSU CHEMICAL CO (2)· patent assignee history
1998–1999Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KASHIMA VINYL CHLORIDE MONOMER21998–1999
SHINETSU CHEMICAL CO21998–1999
SHIN ETSU CHEMICAL COMPANY11978
Locations
LocationPatentsSpan
Ibaraki, JP21998–1999
Urawa, JP11978