Inventor · disambiguated record
Ryouichi Nakajima
Also filed as: NAKAJIMA RYOUICHI
10 granted patents·3 pending applications·106 citations·filing 2003–2010
89Inventor score
Top patents by PatentIndex Score
13 records- 0196US7005768B2Dynamic bearing device, producing method thereof, and motor using the sameNTN TOYO BEARING CO LTD·Filed 2003·Granted Feb 28, 2006·52 cites·21 claims
- 0292US7798721B2Fluid dynamic bearing deviceNTN TOYO BEARING CO LTD·Filed 2005·Granted Sep 21, 2010·15 cites·21 claims
- 0383US7819585B2Fluid dynamic bearing apparatus and a motor using the sameNTN TOYO BEARING CO LTD·Filed 2005·Granted Oct 26, 2010·7 cites·19 claims
- 0478US7448804B2Fluid bearing deviceNTN TOYO BEARING CO LTD·Filed 2007·Granted Nov 11, 2008·4 cites·6 claims
- 0573US7267484B2Fluid bearing deviceNTN TOYO BEARING CO LTD·Filed 2004·Granted Sep 11, 2007·9 cites·7 claims
- 0669US8002471B2Fluid dynamic bearing apparatus and a motor using the sameNTN TOYO BEARING CO LTD·Filed 2010·Granted Aug 23, 2011·2 cites·12 claims
- 0768US7399121B2Fluid bearing deviceNTN TOYO BEARING CO LTD·Filed 2007·Granted Jul 15, 2008·2 cites·5 claims
- 0866US7625124B2Fluid bearing deviceNTN TOYO BEARING CO LTD·Filed 2004·Granted Dec 1, 2009·9 cites·2 claims
- 0953US7938583B2Rolling bearingNTN TOYO BEARING CO LTD·Filed 2007·Granted May 10, 2011·4 cites·20 claims
- 1047US7591591B2Dynamic bearing deviceNTN TOYO BEARING CO LTD·Filed 2004·Granted Sep 22, 2009·2 cites·21 claims
- 1142US2007242908A1Forming Method of Dynamic Pressure Generating Portion and Fluid Dynamic Bearing DeviceNAKAJIMA TATSUO·Filed 2005·Application pending·0 cites
- 1237US2008203838A1Dynamic Bearing DeviceKOMORI ISAO·Filed 2005·Application pending·0 cites
- 1333US2007196035A1Dynamic pressure bearing unitSHIBAHARA KATSUO·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ryouichi Nakajima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →