Inventor · disambiguated record
Ryozo Echigo
Also filed as: ECHIGO RYOZO
3 granted patents·35 citations·filing 1982–1987
68Inventor score
Top patents by PatentIndex Score
3 records- 0166US4479535ARecuperative radiant tubeDAIDO STEEL CO LTD·Filed 1982·Granted Oct 30, 1984·27 cites·4 claims
- 0235US4444554AHeating method and apparatusDAIDO STEEL CO LTD·Filed 1982·Granted Apr 24, 1984·3 cites·7 claims
- 0326US4731017ARadiation heating apparatusMITSUBISHI PETROCHEM ENG·Filed 1987·Granted Mar 15, 1988·5 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →