Inventor · disambiguated record
Kouzou Sakai
Also filed as: SAKAI KOUZOU
7 granted patents·226 citations·filing 1981–2007
87Inventor score
Top patents by PatentIndex Score
7 records- 0194US4547223ACement-shrinkage-reducing agent and cement compositionNIHON CEMENT·Filed 1981·Granted Oct 15, 1985·95 cites·6 claims
- 0284US5763374ALubricating oil compositions of reduced high-temperature high-shear viscositySANYO CHEMICAL IND LTD·Filed 1995·Granted Jun 9, 1998·52 cites·16 claims
- 0373US5086020AHigh zirconia fused cast refractoryASAHI GLASS CO LTD·Filed 1990·Granted Feb 4, 1992·28 cites·4 claims
- 0469US5622924AViscosity index improver and lubricating oilSANYO CHEMICAL IND LTD·Filed 1995·Granted Apr 22, 1997·24 cites·20 claims
- 0566US7708935B2Float bath bottom refractory brick and process for its productionASAHI GLASS CO LTD·Filed 2007·Granted May 4, 2010·3 cites·15 claims
- 0664US5130359AViscosity index improver and method for producing the sameSANYO CHEMICAL IND LTD·Filed 1990·Granted Jul 14, 1992·20 cites·26 claims
- 0731US5344863AViscosity index improverSANYO CHEMICAL IND LTD·Filed 1992·Granted Sep 6, 1994·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →