Inventor

Hayashi Nakazawa

Inventor
Katsuta, JP

Overview

4→
Patents
1985–1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B66Bprimary
B66BElevators50%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
Y10TTechnical subjects covered by former us classification13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1989Patents assigned to HITACHI LTD (4)· patent assignee history
1985–1989Based in Katsuta, JP· patent location history
1987–1989Patents assigned to HITACHI ELEVATOR ENG (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41985–1989
HITACHI ELEVATOR ENG21987–1989
Locations
LocationPatentsSpan
Katsuta, JP41985–1989