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Inventor

Tatsuyuki Ochi

Inventor
Tokyo, JP

Overview

3→
Patents
1989–2003
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

B60Lprimary
B60LPropulsion of electrically-propelled vehicles20%
B60MPower supply lines, and devices along rails, for electrically- propelled vehicles20%
G01BMeasuring length, thickness or similar linear dimensions20%
G01CMeasuring distances, levels or bearings20%
G01SRadio direction-finding20%
PatentTitleYear
6,618,954'Longitudinal profile measuring apparatus'20035,158,021'Ski lift with variable speed linear motor drive and emergency stop apparatus responsive to power loss to the drive'19924,874,238'Method and device for measurement with laser beam'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to KAJIMA CORP (2)· patent assignee history
1989Based in Yokohama, JP· patent location history
1992–2003Based in Tokyo, JP· patent location history
2003Patents assigned to TOKIMEC CONSTRUCTION SYSTEMS I (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAJIMA CORP21989–1992
TOKIMEC CONSTRUCTION SYSTEMS I12003
Locations
LocationPatentsSpan
Tokyo, JP21992–2003
Yokohama, JP11989