Inventor · disambiguated record
Chitoshi Hagi
Also filed as: HAGI CHITOSHI · MURAYAMA HIROKAZU
4 granted patents·88 citations·filing 1977–1990
79Inventor score
Files withHITACHI METALS LTD4
Top patents by PatentIndex Score
4 records- 0183US4284440ARare earth metal-cobalt permanent magnet alloyHITACHI METALS LTD·Filed 1977·Granted Aug 18, 1981·26 cites·10 claims
- 0279US4814139APermanent magnet having good thermal stability and method for manufacturing sameHITACHI METALS LTD·Filed 1987·Granted Mar 21, 1989·25 cites·2 claims
- 0376US5041172APermanent magnet having good thermal stability and method for manufacturing sameHITACHI METALS LTD·Filed 1990·Granted Aug 20, 1991·25 cites·3 claims
- 0462US4172717APermanent magnet alloyHITACHI METALS LTD·Filed 1978·Granted Oct 30, 1979·12 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →