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Inventor

Tagao Toh

Inventor
Toyonaka, JP

Overview

3→
Patents
1979–1980
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
B01DSeparation30%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general30%
Y02TClimate change mitigation technologies related to transportation30%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
PatentTitleYear
4,220,625'Exhaust gas control equipment'19804,195,063'Catalyst element for cleaning exhaust gases'19804,175,107'Catalytic exhaust gas purifying device'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1980Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history
1979–1980Based in Toyonaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31979–1980
Locations
LocationPatentsSpan
Toyonaka, JP31979–1980