Inventor · disambiguated record
Eiji Katayama
Also filed as: KATAYAMA EIJI
4 granted patents·69 citations·filing 1982–2000
74Inventor score
Top patents by PatentIndex Score
4 records- 0187US4874427AMethods for melting and refining a powdery ore containing metal oxidesKAWASAKI STEEL CO·Filed 1987·Granted Oct 17, 1989·50 cites·7 claims
- 0275US6410749B1Process for the preparation of optically active amino alcoholsNIPPON SODA CO·Filed 2000·Granted Jun 25, 2002·8 cites·3 claims
- 0356US4397691AMethod for producing Fe-B molten metalKAWASAKI STEEL CO·Filed 1982·Granted Aug 9, 1983·11 cites·4 claims
- 0428US6476278B1Processes for the preparation of alcoholsJAPAN SCIENCE & TECH CORP·Filed 1999·Granted Nov 5, 2002·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →