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Inventor

Kiyoji Nakajima

Inventor
Higashikurume, JP

Overview

5→
Patents
1989–2004
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables21%
B66CCranes14%
F16KValves14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
B62BHand-propelled vehicles, e.g. hand carts or perambulators7%
F15BSystems acting by means of fluids in general7%
H01FMagnets7%
PatentTitleYear
6,733,058'Winding roll lifting device with adjustable supporting arm and chuck member'20045,743,703'Web carrying apparatus'19984,926,906'Spool valve'19904,905,961'Electromagnetic actuator'19904,840,323'Web winding and/or rewinding shaft structure'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to NAKAJIMA KIYOJI (1)· patent assignee history
1989–1998Based in Higashikurume, JP· patent location history
1990Patents assigned to DIESEL KIKI CO (2)· patent assignee history
1990Based in Higashimatsuyama, JP· patent location history
1998–2004Patents assigned to HIMECS CORP (2)· patent assignee history
2004Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DIESEL KIKI CO21990
HIMECS CORP21998–2004
NAKAJIMA KIYOJIself11989
Locations
LocationPatentsSpan
Higashikurume, JP21989–1998
Higashimatsuyama, JP21990
Tokyo, JP12004