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Inventor

Hatsuki Onitsuka

Inventor
Nobeoka, JP

Overview

4→
Patents
1983–1988
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry27%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals9%
C22BProduction and refining of metals9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
4,789,479'Packing for chromatography'19884,557,830'Packed column having pressure-absorbing mechanism'19854,394,353'Separation of rare earth metals using a cation exchanger'19834,368,175'Ion exchange enrichment of uranium isotopes'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1988Patents assigned to ASAHI CHEMICAL IND (4)· patent assignee history
1983Based in Fujisawa, JP· patent location history
1985–1988Based in Nobeoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI CHEMICAL IND41983–1988
Locations
LocationPatentsSpan
Nobeoka, JP21985–1988
Fujisawa, JP21983