Inventor · disambiguated record
Yoshikazu Yamamichi
Also filed as: YAMAMICHI YOSHIKAZU
5 granted patents·78 citations·filing 1973–1979
82Inventor score
Files withDOWA MINING CO5
Top patents by PatentIndex Score
5 records- 0173US4226843AProcess and apparatus for production of spherical grain ferrite powderDOWA MINING CO·Filed 1979·Granted Oct 7, 1980·16 cites·17 claims
- 0267US4152409AMethod for carrying out air oxidation and for adding fine bubbles to a liquidDOWA MINING CO·Filed 1977·Granted May 1, 1979·25 cites·12 claims
- 0359US4352717AApparatus for production of spherical grain ferrite powderDOWA MINING CO·Filed 1978·Granted Oct 5, 1982·17 cites·3 claims
- 0459US3943230AProcess for the removal of sulfur oxide from waste gasDOWA MINING CO·Filed 1973·Granted Mar 9, 1976·8 cites·2 claims
- 0547US4101286ABubble forming device having no moving partsDOWA MINING CO·Filed 1977·Granted Jul 18, 1978·12 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →