Inventor · disambiguated record
Tsugio Udagawa
Also filed as: ARAYA TAKESHI · UDAGAWA TSUGIO
5 granted patents·124 citations·filing 1976–1986
83Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0186US4192986AMethod and apparatus for automatic weld line tracingHITACHI LTD·Filed 1977·Granted Mar 11, 1980·30 cites·8 claims
- 0282US4724301AApparatus utilizing light stripe image for detecting portion to be welded prior to welding thereofHITACHI LTD·Filed 1986·Granted Feb 9, 1988·31 cites·17 claims
- 0381US4667997AGrip deviceHITACHI LTD·Filed 1985·Granted May 26, 1987·43 cites·12 claims
- 0461US4205217AAutomatic weld line copying apparatusHITACHI LTD·Filed 1976·Granted May 27, 1980·12 cites·5 claims
- 0548US4242620AAutomatic welding line tracing method and apparatusHITACHI LTD·Filed 1978·Granted Dec 30, 1980·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →