Inventor · disambiguated record
Hiroshi Seyanagi
Also filed as: SEYANAGI HIROSHI
8 granted patents·108 citations·filing 2001–2014
85Inventor score
Top patents by PatentIndex Score
8 records- 0192US6777455B2Process for producing polyurethane foamTOYO TIRE & RUBBER CO·Filed 2001·Granted Aug 17, 2004·63 cites·9 claims
- 0279US8148441B2Polishing pad and manufacturing method thereofDOURA MASATO·Filed 2006·Granted Apr 3, 2012·8 cites·12 claims
- 0375US7651761B2Grinding pad and method of producing the sameTOYO TIRE & RUBBER CO·Filed 2002·Granted Jan 26, 2010·14 cites·8 claims
- 0474US7098255B2Process for producing polyurethane foamTOYO TIRE & RUBBER CO·Filed 2004·Granted Aug 29, 2006·10 cites·16 claims
- 0573US7378454B2Polyurethane composition and polishing padTOYO TIRE & RUBBER CO·Filed 2002·Granted May 27, 2008·11 cites·14 claims
- 0666US9283649B2Tank and method for producing polishing pad using tankSEYANAGI HIROSHI·Filed 2011·Granted Mar 15, 2016·2 cites·5 claims
- 0753US9539693B2Polishing padTOYO TIRE & RUBBER CO·Filed 2014·Granted Jan 10, 2017·0 cites·6 claims
- 0836US7455799B2Method of producing polishing pad-use polyurethane foam and polyurethane foamTOYO TIRE & RUBBER CO·Filed 2002·Granted Nov 25, 2008·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →