Inventor · disambiguated record
Masahiro Nobutomo
Also filed as: NOBUTOMO MASAHIRO
6 granted patents·2 pending applications·69 citations·filing 1997–2017
81Inventor score
Top patents by PatentIndex Score
8 records- 0171US5782135ABall screw for vacuum apparatusNTN TOYO BEARING CO LTD·Filed 1997·Granted Jul 21, 1998·28 cites·4 claims
- 0269US8752446B2Ball screw deviceYAMAMOTO KAZUHITO·Filed 2010·Granted Jun 17, 2014·3 cites·2 claims
- 0366US6178839B1Ball screw with lubricating grease and seal member of solid lubricating compositionNTN TOYO BEARING CO LTD·Filed 1998·Granted Jan 30, 2001·21 cites·1 claims
- 0461US7004860B2Belt type infinite variable-speed driveNTN TOYO BEARING CO LTD·Filed 2002·Granted Feb 28, 2006·9 cites·3 claims
- 0546US10663045B2Screw shaft, manufacturing method thereof, and ball screw deviceNSK LTD·Filed 2016·Granted May 26, 2020·0 cites·8 claims
- 0640US6227839B1Driving device for injection molding machineNTN TOYO BEARING CO LTD·Filed 1999·Granted May 8, 2001·8 cites·8 claims
- 0737US2019353230A1Ball Screw DeviceNSK LTD·Filed 2017·Application pending·0 cites
- 0835US2008127764A1Ball Screw DeviceNSK LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →