Inventor · disambiguated record
Takezo Nakazawa
Also filed as: NAKAZAWA TAKEZO
3 granted patents·93 citations·filing 1975–1977
75Inventor score
Top patents by PatentIndex Score
3 records- 0183US4147468AImpeller type pump having seal means and protective meansMITSUI MINING & SMELTING CO·Filed 1977·Granted Apr 3, 1979·32 cites·6 claims
- 0282US4099890AImpeller type pump having seal means and protective meansMITSUI MINING & SMELTING CO·Filed 1975·Granted Jul 11, 1978·43 cites·4 claims
- 0364US4152096APump having seal means and protective meansMITSUI KINZOKU ENGR SERVICE CO·Filed 1977·Granted May 1, 1979·18 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →