Inventor · disambiguated record
Hirokazu Takii
Also filed as: TAKII HIROKAZU
3 granted patents·100 citations·filing 1990–1992
75Inventor score
Files withKOYO SEIKO CO3
Top patents by PatentIndex Score
3 records- 0183US5238254AFerrofluid seal apparatusKOYO SEIKO CO·Filed 1992·Granted Aug 24, 1993·45 cites·22 claims
- 0274US5152539AFerrofluid seal apparatusKOYO SEIKO CO·Filed 1990·Granted Oct 6, 1992·43 cites·10 claims
- 0346US5139396ABall bearing for use in vacuum and turbo-molecular pump incorporating sameKOYO SEIKO CO·Filed 1991·Granted Aug 18, 1992·12 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →