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Inventor

Takakazu Sunada

Inventor
Tokyo, JP

Overview

3→
Patents
1994–1997
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry30%
B01DSeparation20%
B05BSpraying apparatus20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
PatentTitleYear
5,616,290'Gas-liquid contacting apparatus'19975,605,655'Gas-liquid contacting apparatus'19975,326,503'Latticed packing member for gas-liquid contactors'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1997Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
1994Patents assigned to MEIJI GOMU KASEI KK (1)· patent assignee history
1994–1997Based 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 LTD31994–1997
OHJI RUBBER & CHEM21997
MEIJI GOMU KASEI KK11994
Locations
LocationPatentsSpan
Tokyo, JP31994–1997