Inventor · disambiguated record
Takehiko Sumiyoshi
Also filed as: SUMIYOSHI LEGAL REPRESENTATIVE · SUMIYOSHI TAKEHIKO
3 granted patents·26 citations·filing 1997–2003
68Inventor score
Top patents by PatentIndex Score
3 records- 0157US7434289B2Polisher brush having wire-shaped grinding elementsXEBEC TECHNOLOGY CO LTD·Filed 2003·Granted Oct 14, 2008·13 cites·3 claims
- 0241US6447562B1AbrasiveXEBEC TECHNOLOGY CO LTD·Filed 2000·Granted Sep 10, 2002·3 cites·9 claims
- 0331US6004198AWorking tool, and material thereforXEBEC TECHNOLGY CO LTD·Filed 1997·Granted Dec 21, 1999·10 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →