Inventor · disambiguated record
Yoshifumi Obata
Also filed as: OBATA YOSHIFUMI
5 granted patents·80 citations·filing 1997–2005
81Inventor score
Top patents by PatentIndex Score
5 records- 0193US7883423B2Shaft coupling mechanism for electric power steering apparatusOILES INDUSTRY CO LTD·Filed 2005·Granted Feb 8, 2011·18 cites·5 claims
- 0282US6004119AMotor-driven hydraulic gear pump having a noise damperKOYO SEIKO CO·Filed 1997·Granted Dec 21, 1999·35 cites·2 claims
- 0351US6062123APower steering system and steering-angle detecting device for use thereinKOYO SEIKO CO·Filed 1998·Granted May 16, 2000·18 cites·4 claims
- 0442US6880669B2Electric power steering apparatusKOYO SEIKO CO·Filed 2002·Granted Apr 19, 2005·3 cites·6 claims
- 0531US6318495B1Power steering apparatusKOYO SEIKO CO·Filed 1999·Granted Nov 20, 2001·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →