Inventor · disambiguated record
Masahito Umetsu
Also filed as: UMETSU MASAHITO
4 granted patents·39 citations·filing 1989–1989
73Inventor score
Technology areasB23H
Top patents by PatentIndex Score
4 records- 0176US5130508AWire threading method for a wire discharge machineAMADA WASINO CO·Filed 1989·Granted Jul 14, 1992·19 cites·3 claims
- 0267US4978828ADevice and method for confirming that a wire electrode for a wire cutting discharge machine has penetrated a wire guide section on a wire take-out sideAMADA CO LTD·Filed 1989·Granted Dec 18, 1990·15 cites·4 claims
- 0338US5032701AWire cutting electric discharge machine with twisted conveyor beltsAMADA CO LTD·Filed 1989·Granted Jul 16, 1991·5 cites·6 claims
- 0423US5026962AWire cutting electric discharge machineAMADA CO LTD·Filed 1989·Granted Jun 25, 1991·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Masahito Umetsu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →