Inventor · disambiguated record
Peter Y. Y. Ngai
Also filed as: NGAI PETER Y · NGAI PETER Y Y
96 granted patents·8 pending applications·1,893 citations·filing 1981–2016
99Inventor score
Files withABL IP HOLDING LLC56ACUITY BRANDS INC13PEERLESS LIGHTING CORP9NGAI PETER Y Y5LU MIN-HAO MICHAEL4
Top patents by PatentIndex Score
104 records- 0198US5530628ATask lightPEERLESS LIGHTING CORP·Filed 1993·Granted Jun 25, 1996·127 cites·37 claims
- 0295US8485700B2Low profile OLED luminaire for grid ceilingsNGAI PETER Y Y·Filed 2010·Granted Jul 16, 2013·47 cites·33 claims
- 0395USD575898SEnd portion of a lighting fixtureACUITY BRANDS INC·Filed 2007·Granted Aug 26, 2008·63 cites·1 claims
- 0495US6709131B1Luminaire having a mock light source for improved source brightness control and methodACUITY BRANDS INC·Filed 2000·Granted Mar 23, 2004·104 cites·44 claims
- 0594USD362315SDirect indirect fluorescent lighting fixtureHERST DOUGLAS J·Filed 1993·Granted Sep 12, 1995·50 cites·1 claims
- 0692US5884994ADirect-indirect luminaire with improved down light controlPEERLESS LIGHTING CORP·Filed 1996·Granted Mar 23, 1999·73 cites·14 claims
- 0790US9462664B2Gestural control dimmer switchABL IP HOLDING LLC·Filed 2015·Granted Oct 4, 2016·8 cites·12 claims
- 0890USD480172SLuminaireACUITY BRANDS INC·Filed 2002·Granted Sep 30, 2003·41 cites·1 claims
- 0990US4667275ALuminaire for indirect lightingPEERLESS LIGHTING CORP·Filed 1985·Granted May 19, 1987·55 cites·29 claims
- 1089USD480168SLuminaireACUITY BRANDS INC·Filed 2002·Granted Sep 30, 2003·39 cites·1 claims
- 1189US4698734ALensed indirect luminaire with side angle brightness controlPEERLESS LIGHTING CORP·Filed 1984·Granted Oct 6, 1987·47 cites·25 claims
- 1289US4573111ALinear light passing media having certain striped characteristicsHERST DOUGLAS J·Filed 1984·Granted Feb 25, 1986·49 cites·23 claims
- 1389US4390930AIndirect lighting fixture with improved light controlHERST LIGHTING CO·Filed 1981·Granted Jun 28, 1983·49 cites·18 claims
- 1488USD622894SOLED lighting fixture with suspensionABL IP HOLDING LLC·Filed 2009·Granted Aug 31, 2010·35 cites·1 claims
- 1588US4939627AIndirect luminaire having a secondary source induced low brightness lens elementPEERLESS LIGHTING CORP·Filed 1989·Granted Jul 3, 1990·61 cites·11 claims
- 1686USD730560SLuminaireABL IP HOLDING LLC·Filed 2014·Granted May 26, 2015·27 cites·1 claims
- 1785USD703864SLuminaireABL IP HOLDING LLC·Filed 2013·Granted Apr 29, 2014·30 cites·1 claims
- 1884USD618842SOLED lighting fixture with suspensionABL IP HOLDING LLC·Filed 2009·Granted Jun 29, 2010·29 cites·1 claims
- 1983US10578789B2Optical system and method for managing brightness contrasts between high brightness light sources and surrounding surfacesABL IP HOLDING LLC·Filed 2015·Granted Mar 3, 2020·4 cites·5 claims
- 2083US9119239B2Gestural control dimmer switchABL IP HOLDING LLC·Filed 2013·Granted Aug 25, 2015·5 cites·11 claims
- 2183USD623795SOLED lighting fixture with suspensionABL IP HOLDING LLC·Filed 2009·Granted Sep 14, 2010·28 cites·1 claims
- 2283USD480501SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·28 cites·1 claims
- 2383USD480502SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·29 cites·1 claims
- 2483USD480503SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·28 cites·1 claims
- 2583USD480500SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·29 cites·1 claims
- 2682USD623793SOLED lighting fixture with suspensionABL IP HOLDING LLC·Filed 2009·Granted Sep 14, 2010·26 cites·1 claims
- 2782USD481488SLuminaireACUITY BRANDS INC·Filed 2002·Granted Oct 28, 2003·27 cites·1 claims
- 2882US5051878ALuminaire having a lensed reflector system for improved light distribution controlPEERLESS LIGHTING CORP·Filed 1989·Granted Sep 24, 1991·45 cites·29 claims
- 2982US4644454ALensed indirect luminaire having improved light distribution controlPEERLESS LIGHTING CORP·Filed 1984·Granted Feb 17, 1987·33 cites·9 claims
- 3081USD745735SLuminaireABL IP HOLDING LLC·Filed 2015·Granted Dec 15, 2015·21 cites·1 claims
- 3181USD739591SLuminaireABL IP HOLDING LLC·Filed 2015·Granted Sep 22, 2015·19 cites·1 claims
- 3281USD724250SLuminaireABL IP HOLDING LLC·Filed 2014·Granted Mar 10, 2015·25 cites·1 claims
- 3380USD713589SWall mounted lighting fixtureABL IP HOLDING LLC·Filed 2013·Granted Sep 16, 2014·23 cites·1 claims
- 3479USD667163SLuminaireBLUM DARREN·Filed 2011·Granted Sep 11, 2012·24 cites·1 claims
- 3578US9140436B2Configurable ceiling lighting systemLU MIN-HAO MICHAEL·Filed 2012·Granted Sep 22, 2015·8 cites·35 claims
- 3678USD654212SOLED luminaireBLUM DARREN·Filed 2011·Granted Feb 14, 2012·24 cites·1 claims
- 3778US6193394B1Direct-indirect luminaire having improved down light glare controlNSI ENTPR INC·Filed 1996·Granted Feb 27, 2001·32 cites·9 claims
- 3877USD480530SLuminaire baffle structureACUITY BRANDS INC·Filed 2002·Granted Oct 7, 2003·22 cites·1 claims
- 3975USD618839SOLED lighting fixtureABL IP HOLDING LLC·Filed 2009·Granted Jun 29, 2010·19 cites·1 claims
- 4074USD742576SLuminaireABL IP HOLDING LLC·Filed 2014·Granted Nov 3, 2015·19 cites·1 claims
- 4174USD701991SLuminaireABL IP HOLDING LLC·Filed 2013·Granted Apr 1, 2014·18 cites·1 claims
- 4274USD613449SOLED lighting fixture with suspensionABL IP HOLDING LLC·Filed 2009·Granted Apr 6, 2010·18 cites·1 claims
- 4372US9062841B2Two-dimension configurable lighting system with enhanced light source placement capabilitiesABL IP HOLDING LLC·Filed 2013·Granted Jun 23, 2015·3 cites·28 claims
- 4472USD720879SLuminaire floor standABL IP HOLDING LLC·Filed 2013·Granted Jan 6, 2015·17 cites·1 claims
- 4572USD713591SWall mounted lighting fixtureABL IP HOLDING LLC·Filed 2014·Granted Sep 16, 2014·16 cites·1 claims
- 4671USD595443SLighting fixtureACUITY BRANDS INC·Filed 2007·Granted Jun 30, 2009·17 cites·1 claims
- 4771USD441891SLuminaire housingNSI ENTPR INC·Filed 2000·Granted May 8, 2001·17 cites·1 claims
- 4870USD763496SLuminaireABL IP HOLDING LLC·Filed 2015·Granted Aug 9, 2016·14 cites·1 claims
- 4970US7883237B2Heat extractor device for fluorescent lighting fixtureABL IP HOLDING LLC·Filed 2006·Granted Feb 8, 2011·10 cites·31 claims
- 5069USD759876SLuminaireABL IP HOLDING LLC·Filed 2015·Granted Jun 21, 2016·13 cites·1 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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