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Inventor

Norihisa Sagawa

Inventor
Katsuta, JP

Overview

3→
Patents
1992–1997
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.

B04Bprimary
B04BCentrifuges60%
G05DSystems for controlling or regulating non-electric variables20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,619,422'Rotor temperature control system'19975,342,280'System for management of body rotation of centrifuge'19945,160,876'Method of protecting rotating machine'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to IGARASHI SADATO (1)· patent assignee history
1992Patents assigned to KAWAI YASUHIRO (1)· patent assignee history
1992Patents assigned to NIINAI YOSHITAKA (1)· patent assignee history
1992Patents assigned to OHYAMA HISANOBU (1)· patent assignee history
1992Based in Ibaraki-shi, JP· patent location history
1994–1997Patents assigned to HITACHI KOKI KK (2)· patent assignee history
1994–1997Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI KOKI KK21994–1997
IGARASHI SADATO11992
KAWAI YASUHIRO11992
NIINAI YOSHITAKA11992
OHYAMA HISANOBU11992
Locations
LocationPatentsSpan
Katsuta, JP21994–1997
Ibaraki-shi, JP11992