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Inventor

Kaoru Chigusa

Inventor
Tokyo, JP

Overview

2→
Patents
1991–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge29%
A23KFodder14%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse14%
Y02ATechnologies for adaptation to climate change14%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
5,567,314'Apparatus for biologically treating lipid-containing waste water'19965,075,008'Process for high-load treatment of carbohydrate containing waste water'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to RES ASS OF BIOTECHNOLOGY FOR O (1)· patent assignee history
1991–1996Based in Tokyo, JP· patent location history
1996Patents assigned to NISHIHARA ENVIRONMENTAL SANATA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISHIHARA ENVIRONMENTAL SANATA11996
RES ASS OF BIOTECHNOLOGY FOR O11991
Locations
LocationPatentsSpan
Tokyo, JP21991–1996