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Inventor

Okihiro Tokunaga

Inventor
Takasaki, JP

Overview

3→
Patents
1992–1998
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
B01DSeparation38%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
Y02ATechnologies for adaptation to climate change25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,834,722'Method and apparatus for treating waste gases by exposure to electron beams'19985,244,552'Process and apparatus for waste gas treatment by multi-stage electron beam irradiation'19935,108,565'Method for removing harmful gas from refuse combustion exhaust gas'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1998Patents assigned to EBARA CORP (3)· patent assignee history
1992–1998Patents assigned to JAPAN ATOMIC ENERGY RES INST (2)· patent assignee history
1992Patents assigned to NIPPON KOKAN KK (1)· patent assignee history
1992–1993Based in Takasaki, JP· patent location history
1998Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EBARA CORP31992–1998
JAPAN ATOMIC ENERGY RES INST21992–1998
NIPPON KOKAN KK11992
Locations
LocationPatentsSpan
Takasaki, JP21992–1993
Gunma, JP11998