Inventor · disambiguated record
Stephen Hu
Also filed as: HU STEPHEN · HU STEPHEN K P
22 granted patents·2 pending applications·356 citations·filing 1988–2014
96Inventor score
Top patents by PatentIndex Score
24 records- 0187US6116624ADirection-changing and positioning device for the handle of a baby strollerFiled 1998·Granted Sep 12, 2000·73 cites·6 claims
- 0287USD425848SWheel rim for baby strollersHU STEPHEN·Filed 1998·Granted May 30, 2000·33 cites·1 claims
- 0382USD328624SToy automobile dashboardHU STEPHEN·Filed 1991·Granted Aug 11, 1992·24 cites·1 claims
- 0481USD339772SBaby walker trayHU STEPHEN·Filed 1991·Granted Sep 28, 1993·22 cites·1 claims
- 0572US6510569B1Double locks for the chassis of game-bedFiled 2000·Granted Jan 28, 2003·34 cites·6 claims
- 0663US5590892ABaby's carriage for teaching children to walkFiled 1995·Granted Jan 7, 1997·42 cites·5 claims
- 0757USD308657SBaby walkerHU STEPHEN·Filed 1988·Granted Jun 19, 1990·7 cites·1 claims
- 0855US5957544AWheel fixing device for a baby strollerFiled 1998·Granted Sep 28, 1999·18 cites·3 claims
- 0947US5975545AStructure of wheel seat for a baby strollerFiled 1998·Granted Nov 2, 1999·14 cites·10 claims
- 1047US2006038368A1Sunshade device for strollerHU STEPHEN·Filed 2004·Application pending·0 cites
- 1146USD340706SPen mouseHU STEPHEN K P·Filed 1992·Granted Oct 26, 1993·6 cites·1 claims
- 1242US5223780AMobile telephone battery power supply unit with power detection and discharge circuitHU STEPHEN·Filed 1992·Granted Jun 29, 1993·17 cites·2 claims
- 1341USD407352SChassis of a baby go-cartHU STEPHEN·Filed 1997·Granted Mar 30, 1999·4 cites·1 claims
- 1441US2002138900A1Safety device for the frame of a playpenFiled 2001·Application pending·0 cites
- 1540US5586622ABrake of a baby's walkerFiled 1995·Granted Dec 24, 1996·17 cites·7 claims
- 1639US6120054ADevice for the armrest of a baby strollerFiled 1998·Granted Sep 19, 2000·15 cites·2 claims
- 1737USD449569SChassis of a baby go-cartFiled 1997·Granted Oct 23, 2001·3 cites·1 claims
- 1836US9356422B2Scribe etch process for semiconductor laser chip manufacturingAPPLIED OPTOELECTRONICS INC·Filed 2014·Granted May 31, 2016·0 cites·30 claims
- 1936US6070701AWheel device for a baby walkerFiled 1998·Granted Jun 6, 2000·13 cites·10 claims
- 2033US6189660B1Ratchet wheel device for a baby walkerFiled 1998·Granted Feb 20, 2001·3 cites·7 claims
- 2133US6152539AFixing device for wheel seats of a baby strollerFiled 1998·Granted Nov 28, 2000·5 cites·1 claims
- 2230USRE36967EAngular auto-adjusting skid-proof pad system on a baby walkerFiled 1999·Granted Nov 28, 2000·1 cites·6 claims
- 2330US6068274AOrientation roller mechanism for baby strollersFiled 1997·Granted May 30, 2000·2 cites·3 claims
- 2430US5865451AAngular auto-adjustive skid-proof pad system on a baby strollerFiled 1997·Granted Feb 2, 1999·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →