Inventor · disambiguated record
Hisao Sumiya
Also filed as: SUMIYA HISAO
2 granted patents·1 pending application·10 citations·filing 2001–2004
54Inventor score
Top patents by PatentIndex Score
3 records- 0162US7135441B2Lubricating grease composition and rolling apparatusNSK LTD·Filed 2001·Granted Nov 14, 2006·7 cites·5 claims
- 0254US6568856B2Rolling bearingNSK LTD·Filed 2001·Granted May 27, 2003·3 cites·23 claims
- 0332US2006073989A1Grease compostion for automobile electrical equipment auxiliary device and prelubricated rolling using the grease compositionFUJITA YASUNOBU·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →