Inventor · disambiguated record
Sumihisa Yamaguchi
Also filed as: YAMAGUCHI SUMIHISA
3 granted patents·85 citations·filing 2000–2003
73Inventor score
Files withSEIMI CHEM KK3
Top patents by PatentIndex Score
3 records- 0186US6428392B1AbrasiveSEIMI CHEM KK·Filed 2000·Granted Aug 6, 2002·46 cites·9 claims
- 0280US6602111B1AbrasiveSEIMI CHEM KK·Filed 2000·Granted Aug 5, 2003·36 cites·18 claims
- 0340US7025796B2Method for evaluating the quality of abrasive grains, polishing method and abrasive for polishing glassSEIMI CHEM KK·Filed 2003·Granted Apr 11, 2006·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →