Inventor · disambiguated record
Keitaro Oka
Also filed as: OKA KEITARO
4 granted patents·3 pending applications·4 citations·filing 2012–2019
59Inventor score
Top patents by PatentIndex Score
7 records- 0177US9927010B2Ball screw deviceNSK LTD·Filed 2016·Granted Mar 27, 2018·4 cites·6 claims
- 0252US11391350B2Ball screwNSK LTD·Filed 2019·Granted Jul 19, 2022·0 cites·2 claims
- 0350US11415205B2Internal-deflector type ball screwNSK LTD·Filed 2019·Granted Aug 16, 2022·0 cites·5 claims
- 0444US2015122065A1Ball Screw DeviceNSK LTD·Filed 2013·Application pending·0 cites
- 0537US11506269B2Ball screwNSK LTD·Filed 2017·Granted Nov 22, 2022·0 cites·2 claims
- 0636US2016238114A1Seal for Ball Screw DeviceNSK LTD·Filed 2014·Application pending·0 cites
- 0729US2014167363A1Seal for Rolling Screw, and Rolling ScrewOKA KEITARO·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →