Inventor · disambiguated record
Harold J. Welch
Also filed as: WELCH HAROLD · WELCH HAROLD J · WELCH HAROLD JAMES
12 granted patents·1 pending application·585 citations·filing 1993–2015
93Inventor score
Top patents by PatentIndex Score
13 records- 0198US8330725B2In-plane keyboard illuminationMAHOWALD PETER H·Filed 2010·Granted Dec 11, 2012·73 cites·26 claims
- 0297US9064642B2Rattle-free keyswitch mechanismAPPLE INC·Filed 2013·Granted Jun 23, 2015·39 cites·20 claims
- 0396US9024214B2Narrow key switchNIU JAMES J·Filed 2010·Granted May 5, 2015·33 cites·14 claims
- 0496US6842332B1Magnetic securing system for a detachable input deviceAPPLE COMPUTER·Filed 2002·Granted Jan 11, 2005·146 cites·34 claims
- 0594US6987466B1Keyboard having a lighting systemAPPLE COMPUTER·Filed 2002·Granted Jan 17, 2006·120 cites·37 claims
- 0694US6510048B2Keyboard arrangementAPPLE COMPUTER·Filed 2001·Granted Jan 21, 2003·106 cites·28 claims
- 0785US6833825B1Apparatus for remotely controlling a digital processing systemAPPLE COMPUTER·Filed 2000·Granted Dec 21, 2004·47 cites·15 claims
- 0884US8822858B2Keyboard designNIU JAMES J·Filed 2011·Granted Sep 2, 2014·5 cites·21 claims
- 0983US9123485B2Keyboard designAPPLE INC·Filed 2014·Granted Sep 1, 2015·4 cites·20 claims
- 1055US8587525B2In-plane keyboard illuminationAPPLE INC·Filed 2012·Granted Nov 19, 2013·0 cites·26 claims
- 1153US2015287553A1Rattle-free keyswitch mechanismAPPLE INC·Filed 2015·Application pending·0 cites
- 1240US5456542AAdjustable data entry keyboardAPPLE COMPUTER·Filed 1993·Granted Oct 10, 1995·12 cites·17 claims
- 1339US8477049B2Efficiently embedding information onto a keyboard membraneTAN LI-QUAN·Filed 2009·Granted Jul 2, 2013·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →