Inventor
Tsugio Udagawa
Inventor
Ibaraki, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering33%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling33%
B25JManipulators8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
G05BControl or regulating systems in general8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
4,724,301'Apparatus utilizing light stripe image for detecting portion to be welded prior to welding thereof'19884,667,997'Grip device'19874,242,620'Automatic welding line tracing method and apparatus'19804,205,217'Automatic weld line copying apparatus'19804,192,986'Method and apparatus for automatic weld line tracing'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1988Patents assigned to HITACHI LTD (5)· patent assignee history
1980Patents assigned to HITACHI SEIKO KK (3)· patent assignee history
1980–1988Based in Ibaraki, JP· patent location history
1980Based in Tomobe, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1980–1988 |
| HITACHI SEIKO KK | 3 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 3 | 1980–1988 |
| Tomobe, JP | 2 | 1980 |