Inventor · disambiguated record
Masaru Niwano
Also filed as: NIWANO MASARU
3 granted patents·65 citations·filing 1988–1990
73Inventor score
Technology areasB22F
Files withCHISSO CORP3
Top patents by PatentIndex Score
3 records- 0176US5116437AMethod for stabilization treatment of ferromagnetic metal powderCHISSO CORP·Filed 1990·Granted May 26, 1992·43 cites·19 claims
- 0259US5003919AApparatus for stabilization treatment of ferromagnetic metal powderCHISSO CORP·Filed 1989·Granted Apr 2, 1991·16 cites·4 claims
- 0334US4909865AProcess for producing a ferromagnetic metal powder having an oxidized coatingCHISSO CORP·Filed 1988·Granted Mar 20, 1990·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →