Inventor · disambiguated record
Yuuji Koyama
Also filed as: KOYAMA YUUJI
4 granted patents·2 pending applications·16 citations·filing 1978–2022
70Inventor score
Top patents by PatentIndex Score
6 records- 0189US10072323B2Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheetNIPPON STEEL & SUMIKIN SST·Filed 2015·Granted Sep 11, 2018·2 cites·12 claims
- 0275US9399809B2Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheetTERAOKA SHINICHI·Filed 2012·Granted Jul 26, 2016·1 cites·8 claims
- 0368US4168185AProduction method of titanium hot coil by continuous hot rolling systemKOBE STEEL LTD·Filed 1978·Granted Sep 18, 1979·12 cites·5 claims
- 0447US2014294660A1Hot-rolled ferritic stainless steel sheet with excellent cold cracking resistance and manufacturing process thereforNIPPON STEEL & SUMIKIN SST·Filed 2012·Application pending·0 cites
- 0545US2022232328A1Piezoelectric element, piezoelectric device, and manufacturing method of piezoelectric elementDENSO CORP·Filed 2022·Application pending·0 cites
- 0623US4245490AThin rolled steel plate having unequal thicknessKOBE STEEL LTD·Filed 1979·Granted Jan 20, 1981·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →