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Inventor

Keishin Sugahara

Inventor
Kumamoto, JP

Overview

3→
Patents
1986–1989
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.

C07Kprimary
C07KPeptides25%
C12NMicroorganisms or enzymes25%
A61KPreparations for medical, dental or toiletry purposes17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
F25CProducing, working or handling ice8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
PatentTitleYear
4,839,277'Method for purification of HBc antigen and method for measurement of HBc antibody by using said purified HBc antigen'19894,738,926'Method for purification of HBs antigen'19884,612,283'Method for purification of HBs antigen'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to CHEMO SERO THERAPEUT RES INST (3)· patent assignee history
1986–1989Based in Kumamoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEMO SERO THERAPEUT RES INST31986–1989
Locations
LocationPatentsSpan
Kumamoto, JP31986–1989