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Inventor

Kouichiro Iwashita

Inventor
Tokyo, JP

Overview

3→
Patents
1991–1997
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.

B01Dprimary
B01DSeparation33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry22%
B05BSpraying apparatus22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
PatentTitleYear
5,616,290'Gas-liquid contacting apparatus'19975,605,655'Gas-liquid contacting apparatus'19975,034,028'Exhaust gas treating method'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1997Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
1991–1997Based in Tokyo, JP· patent location history
1997Patents assigned to OHJI RUBBER & CHEM (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HEAVY IND LTD31991–1997
OHJI RUBBER & CHEM21997
Locations
LocationPatentsSpan
Tokyo, JP31991–1997