Inventor · disambiguated record
Masato Sumiya
Also filed as: SUMIYA MASATO
3 granted patents·123 citations·filing 1986–2003
73Inventor score
Top patents by PatentIndex Score
3 records- 0187US4780277AMethod and apparatus for subjecting gases to discharge treatmentSHINRYO CORP·Filed 1986·Granted Oct 25, 1988·63 cites·18 claims
- 0284US5638206AConfocal optical microscope and length measuring device using this microscopeUSHIO ELECTRIC INC·Filed 1994·Granted Jun 10, 1997·59 cites·4 claims
- 0341US6741330B2Exposure deviceUSHIO ELECTRIC INC·Filed 2003·Granted May 25, 2004·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →