Inventor · disambiguated record
Tetsuro Haga
Also filed as: HAGA TETSURO
3 granted patents·56 citations·filing 1986–1992
71Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0177US4746332AProcess for producing high purity nitrogenHITACHI LTD·Filed 1986·Granted May 24, 1988·36 cites·5 claims
- 0246US5104426AMethod of and apparatus for separating gas mixtureHITACHI LTD·Filed 1990·Granted Apr 14, 1992·16 cites·22 claims
- 0334US5330956APoisoning-resistant catalyst, process for production thereof, and process for using said catalystHITACHI LTD·Filed 1992·Granted Jul 19, 1994·4 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Tetsuro Haga 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 →