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Inventor

Yoshiyuki Imagire

Inventor
Tokyo, JP

Overview

3→
Patents
1979–1994
Patent span
Chemistry
Primary field (CPC C)

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 chemistry13%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium13%
C01GCompounds containing metals not covered by subclasses c01d or c01f13%
C22BProduction and refining of metals13%
C23FNon-mechanical removal of metallic material from surface13%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,328,670'Method of treating nickel-containing etching waste fluid'19944,629,606'Recovery of tungsten compounds'19864,169,131'Process for recovering caustic alkali from spent alkali liquor'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1994Patents assigned to NITTETSU KAKOKI KK (2)· patent assignee history
1979–1994Based in Tokyo, JP· patent location history
1986Patents assigned to DAICEL CHEM (1)· patent assignee history
1986Based in Musashino, JP· patent location history
1994Patents assigned to TOSHIBA KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NITTETSU KAKOKI KK21979–1994
DAICEL CHEM11986
TOSHIBA KK11994
Locations
LocationPatentsSpan
Tokyo, JP21979–1994
Musashino, JP11986