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Inventor

Kiyoaki Sakamoto

Inventor
Hofu, JP

Overview

3→
Patents
1988–1991
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
B01DSeparation50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
PatentTitleYear
5,021,162'Method for forming a gel bed in a column for liquid chromatography and an axially adjustable-type column device used for this method'19914,927,531'Axially adjustable-type column device'19904,755,293'High density filler type filtration equipment'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to TOYO SODA MFG CO LTD (1)· patent assignee history
1988–1991Based in Hofu, JP· patent location history
1990–1991Patents assigned to TOSOH CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSOH CORP21990–1991
TOYO SODA MFG CO LTD11988
Locations
LocationPatentsSpan
Hofu, JP31988–1991