Inventor · disambiguated record
Yoshiaki Hamasaki
Also filed as: HAMASAKI YOSHIAKI
13 granted patents·1 pending application·177 citations·filing 1988–2005
92Inventor score
Top patents by PatentIndex Score
14 records- 0182US6004119AMotor-driven hydraulic gear pump having a noise damperKOYO SEIKO CO·Filed 1997·Granted Dec 21, 1999·35 cites·2 claims
- 0280US5356535AOil tankKOYO SEIKO CO·Filed 1992·Granted Oct 18, 1994·31 cites·9 claims
- 0379US4850447APower transmission apparatus for a vehicleKOYO SEIKO CO·Filed 1988·Granted Jul 25, 1989·27 cites·14 claims
- 0462US6287090B1Electric pump apparatusKOYO SEIKO CO·Filed 1999·Granted Sep 11, 2001·18 cites·3 claims
- 0555US8591203B2Pump apparatusYOSHIHARA YOSHIHITO·Filed 2005·Granted Nov 26, 2013·3 cites·6 claims
- 0655US5074825AHydraulic transmission coupling apparatusKOYO SEIKO CO·Filed 1990·Granted Dec 24, 1991·14 cites·11 claims
- 0753US4995491APower transmission apparatusMITSUBISHI MOTORS CORP·Filed 1988·Granted Feb 26, 1991·15 cites·10 claims
- 0849US4919248ADrive coupling unitMITSUBISHI MOTORS CORP·Filed 1988·Granted Apr 24, 1990·9 cites·2 claims
- 0943US5280868AReservoir supporting structureKOYO SEIKO CO·Filed 1992·Granted Jan 25, 1994·6 cites·20 claims
- 1037US6048187AGear pumpKOYO SEIKO CO·Filed 1998·Granted Apr 11, 2000·5 cites·10 claims
- 1136US5220939AFlow control apparatusKOYO SEIKO CO·Filed 1992·Granted Jun 22, 1993·6 cites·11 claims
- 1233US6233930B1Power steering deviceKOYO SEIKO CO·Filed 1999·Granted May 22, 2001·4 cites·6 claims
- 1333US2007007069A1Elastic support device and power steering deviceHAMASAKI YOSHIAKI·Filed 2004·Application pending·0 cites
- 1432US4980521APower transmission apparatusMITSUBISHI MOTORS CORP·Filed 1989·Granted Dec 25, 1990·4 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yoshiaki Hamasaki 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 →