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Inventor

Koji Ohi

Inventor
Oita, JP

Overview

4→
Patents
2000–2019
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.

B66Cprimary
B66CCranes38%
B41JTypewriters13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
H02JElectric power networks13%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
PatentTitleYear
10,167,177Crane, and crane control method20199,975,739Container yard and feeding method20189,802,794'Crane apparatus, container yard, and feeding method'20176,157,399'Color image recording apparatus'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2000Based in Minou, JP· patent location history
2017–2019Patents assigned to MITSUI SHIPBUILDING ENG (3)· patent assignee history
2017–2019Based in Oita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI SHIPBUILDING ENG32017–2019
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12000
Locations
LocationPatentsSpan
Oita, JP32017–2019
Minou, JP12000