Inventor · disambiguated record
Tetsuo Gejyo
Also filed as: GEJYO TETSUO
4 granted patents·115 citations·filing 1973–1975
80Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0187US3951603AGas-sensor element and method for detecting reducing gas or oxygen gasHITACHI LTD·Filed 1973·Granted Apr 20, 1976·45 cites·36 claims
- 0284US3953173AGas-sensor element and method for detecting oxidizable gasHITACHI LTD·Filed 1973·Granted Apr 27, 1976·37 cites·38 claims
- 0369US4049789AProcess for preparation of mixed oxide powdersHITACHI LTD·Filed 1975·Granted Sep 20, 1977·17 cites·5 claims
- 0459US4044601ASmoke and gas sensor elementHITACHI LTD·Filed 1975·Granted Aug 30, 1977·16 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →