Inventor · disambiguated record
Ryoji Utsumi
Also filed as: UTSUMI RYOJI
2 granted patents·40 citations·filing 2002–2016
59Inventor score
Top patents by PatentIndex Score
2 records- 0184US10336888B2Surface-treated calcium carbonate filler for curable resin composition, and curable resin composition containing fillerMARUO CALCIUM·Filed 2016·Granted Jul 2, 2019·2 cites·15 claims
- 0276US6742989B2Structures of turbine scroll and bladesMITSUBISHI HEAVY IND LTD·Filed 2002·Granted Jun 1, 2004·38 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →