Inventor · disambiguated record
Kei Utsunomiya
Also filed as: UTSUNOMIYA KEI
2 granted patents·31 citations·filing 1977–1980
61Inventor score
Files withKOBE STEEL LTD2
Top patents by PatentIndex Score
2 records- 0169US4131643ACatalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalystKOBE STEEL LTD·Filed 1977·Granted Dec 26, 1978·24 cites·19 claims
- 0246US4348226ADirect reduction process for producing metallic ironKOBE STEEL LTD·Filed 1980·Granted Sep 7, 1982·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →