Inventor · disambiguated record
Seiji Nakahama
Also filed as: NAKAHAMA SEIJI
4 granted patents·20 citations·filing 2002–2017
68Inventor score
Technology areasF16C
Top patents by PatentIndex Score
4 records- 0175US6623168B2Tapered roller bearingKOYO SEIKO CO·Filed 2002·Granted Sep 23, 2003·15 cites·2 claims
- 0270US10520027B2Tapered roller bearingJTEKT CORP·Filed 2017·Granted Dec 31, 2019·1 cites·12 claims
- 0370US7874736B2Oil-lubricated roller bearing assemblyJTEKT CORP·Filed 2006·Granted Jan 25, 2011·4 cites·13 claims
- 0442US10167897B2Tapered roller bearingJTEKT CORP·Filed 2017·Granted Jan 1, 2019·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →