Inventor · disambiguated record
Kenzi Koyama
Also filed as: KOYAMA KENZI
2 granted patents·35 citations·filing 1975–1981
63Inventor score
Files withNIPPON STEEL CORP2
Top patents by PatentIndex Score
2 records- 0162US4429021AChromium-plated steel strip having excellent weldability and resistance to corrosionNIPPON STEEL CORP·Filed 1981·Granted Jan 31, 1984·17 cites·5 claims
- 0260US4026728ASteel sheets and strips having a surface layer of M-Si-RNIPPON STEEL CORP·Filed 1975·Granted May 31, 1977·18 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →