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Inventor

Hisashi Kitagawa

Inventor
Kumamoto, JP

Overview

3→
Patents
1987–2001
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes22%
C07KPeptides22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
B24CAbrasive or related blasting with particulate material11%
F25CProducing, working or handling ice11%
PatentTitleYear
6,328,631'Method and apparatus for surface processing using ice slurry'20014,704,274'Method for the purification of LPF-HA'19874,687,738'Method for the production of HA fraction containing protective antigens of Bordetella pertussis and pertussis vaccine'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to CHEMO SERO THERAPEUT RES INST (2)· patent assignee history
1987Patents assigned to TEIJIN LTD (1)· patent assignee history
1987Based in Kumamoto, JP· patent location history
2001Patents assigned to FUJI SEIKI MACHINE WORKS (1)· patent assignee history
2001Patents assigned to MAEKAWA SEISAKUSHO KK (1)· patent assignee history
2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEMO SERO THERAPEUT RES INST21987
FUJI SEIKI MACHINE WORKS12001
MAEKAWA SEISAKUSHO KK12001
TEIJIN LTD11987
Locations
LocationPatentsSpan
Kumamoto, JP21987
Tokyo, JP12001