Inventor · disambiguated record
Motojiro Tsuna
Also filed as: TSUNA MOTOJIRO
4 granted patents·2 pending applications·6 citations·filing 2014–2022
64Inventor score
Top patents by PatentIndex Score
6 records- 0185US11174450B2Grease composition for resin lubrication and sliding member having sliding surface made of resinMINEBEA MITSUMI INC·Filed 2019·Granted Nov 16, 2021·2 cites·5 claims
- 0273US9541135B2Gel lubricant, rolling bearing, pivot assembly bearing, and hard disk driveMINEBEA CO LTD·Filed 2014·Granted Jan 10, 2017·3 cites·16 claims
- 0366US10145417B2Grease composition-filled ball bearing, pivot assembly bearing including the ball bearing, and hard disk drive including the pivot assembly bearingMINEBEA MITSUMI INC·Filed 2017·Granted Dec 4, 2018·1 cites·12 claims
- 0462US11555161B2Grease composition for metal-resin lubricationMINEBEA MITSUMI INC·Filed 2022·Granted Jan 17, 2023·0 cites·18 claims
- 0549US2025237263A1Fluid dynamic pressure bearing oil, spindle motor, and disk drive deviceMINEBEA MITSUMI INC·Filed 2022·Application pending·0 cites
- 0641US2018291300A1Grease composition and rolling bearingMINEBEA MITSUMI INC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →