Inventor · disambiguated record
Tooru Sumiya
Also filed as: SUMIYA TOORU
2 granted patents·15 citations·filing 1988–1988
57Inventor score
Files withAIR LIQUIDE2
Top patents by PatentIndex Score
2 records- 0142US5084080ADevice for trapping gaseous compounds of refractory metals and pumping plant including sameAIR LIQUIDE·Filed 1988·Granted Jan 28, 1992·12 cites·9 claims
- 0224US4981723AChemical vapor deposition of tungsten silicide using silicon sub-fluoridesAIR LIQUIDE·Filed 1988·Granted Jan 1, 1991·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →