Inventor · disambiguated record
Yajun Li
Also filed as: LI YAJUN
104 granted patents·21 pending applications·5,084 citations·filing 1991–2025
99Inventor score
Files withSYMBOL TECHNOLOGIES INC60GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD20LI YADONG9MEDIATEK SINGAPORE PTE LTD8BOE TECHNOLOGY GROUP CO LTD7
Top patents by PatentIndex Score
125 records- 0199US6398112B1Apparatus and method for reading indicia using charge coupled device and scanning laser beam technologySYMBOL TECHNOLOGIES INC·Filed 2000·Granted Jun 4, 2002·359 cites·19 claims
- 0298US5710417ABar code reader for reading both one dimensional and two dimensional symbologies with programmable resolutionSYMBOL TECHNOLOGIES INC·Filed 1995·Granted Jan 20, 1998·481 cites·22 claims
- 0398US5621203AMethod and apparatus for reading two-dimensional bar code symbols with an elongated laser lineSYMBOL TECHNOLOGIES INC·Filed 1994·Granted Apr 15, 1997·451 cites·6 claims
- 0497US5504316ALaser scanning system and scanning method for reading 1-D and 2-D barcode symbolsSYMBOL TECHNOLOGIES INC·Filed 1993·Granted Apr 2, 1996·232 cites·109 claims
- 0596US6340114B1Imaging engine and method for code readersSYMBOL TECHNOLOGIES INC·Filed 1998·Granted Jan 22, 2002·635 cites·52 claims
- 0696US5672858AApparatus and method for reading indicia using charge coupled device and scanning laser beam technologySYMBOL TECHNOLOGIES INC·Filed 1994·Granted Sep 30, 1997·195 cites·46 claims
- 0795US6648227B2Scanning module for a bar code reader with a focusing lensSYMBOL TECHNOLOGIES INC·Filed 2002·Granted Nov 18, 2003·115 cites·9 claims
- 0895US5717221AMultiple laser indicia reader optionally utilizing a charge coupled device (CCD) detector and operating method thereforSYMBOL TECHNOLOGIES INC·Filed 1996·Granted Feb 10, 1998·269 cites·37 claims
- 0993US6123264AApparatus and method for determining a distance to a targetSYMBOL TECHNOLOGIES INC·Filed 1997·Granted Sep 26, 2000·133 cites·16 claims
- 1092US5278397AMulti-resolution bar code readerSYMBOL TECHNOLOGIES INC·Filed 1991·Granted Jan 11, 1994·127 cites·43 claims
- 1191US10632537B2Manufacturing method of multilayer shell-core composite structural componentLI YADONG·Filed 2017·Granted Apr 28, 2020·2 cites·18 claims
- 1291US6592040B2Hand-held bar code reader with single printed circuit boardSYMBOL TECHNOLOGIES INC·Filed 2002·Granted Jul 15, 2003·67 cites·10 claims
- 1391US6360949B1Retro-reflective scan module for electro-optical readersSYMBOL TECHNOLOGIES INC·Filed 1999·Granted Mar 26, 2002·146 cites·57 claims
- 1488US5859418ACCD-based bar code scanner with optical funnelSYMBOL TECHNOLOGIES INC·Filed 1996·Granted Jan 12, 1999·95 cites·10 claims
- 1588US5821521AOptical scanning assembly with flexible diaphragmSYMBOL TECHNOLOGIES INC·Filed 1997·Granted Oct 13, 1998·87 cites·14 claims
- 1688US5332892AOptical systems for bar code scannersSYMBOL TECHNOLOGIES INC·Filed 1991·Granted Jul 26, 1994·106 cites·43 claims
- 1787US6729545B2Integrated scanner on a common substrate having an omnidirectional mirrorSYMBOL TECHNOLOGIES INC·Filed 2002·Granted May 4, 2004·24 cites·14 claims
- 1887US5966230AIntegrated scanner on a common substrateSYMBOL TECHNOLOGIES INC·Filed 1995·Granted Oct 12, 1999·91 cites·28 claims
- 1986US6651888B1Beam shaping system and diverging laser beam for scanning optical codeSYMBOL TECHNOLOGIES INC·Filed 2000·Granted Nov 25, 2003·47 cites·26 claims
- 2086US6092728AMiniature laser diode focusing module using micro-opticsSYMBOL TECHNOLOGIES INC·Filed 1999·Granted Jul 25, 2000·108 cites·21 claims
- 2185US12259490B1Multi-antenna single-station stereoscopic-arrangement ultra-short baseline lightning location method and related deviceNORTHWEST INST OF ECO ENVIRONMENT AND RESOURCES CHINESE ACADEMY OF SCIENCES·Filed 2024·Granted Mar 25, 2025·1 cites·8 claims
- 2285US5637856AScanning system and scanning method with scan pattern control for reading 1-D and 2-D barcode symbolsSYMBOL TECHNOLOGIES INC·Filed 1995·Granted Jun 10, 1997·71 cites·51 claims
- 2384US6527180B1Compact dual optical and scan modules in bar code readersSYMBOL TECHNOLOGIES INC·Filed 2000·Granted Mar 4, 2003·38 cites·9 claims
- 2484US6209788B1Optical scannersSYMBOL TECHNOLOGIES INC·Filed 1999·Granted Apr 3, 2001·70 cites·6 claims
- 2584US6164540AOptical scannersSYMBOL TECHNOLOGIES INC·Filed 1996·Granted Dec 26, 2000·70 cites·6 claims
- 2683US11682813B1Lithium battery and manufacturing method thereofSHENZHEN GREENSUN TECH CO LTD·Filed 2022·Granted Jun 20, 2023·1 cites·7 claims
- 2783US6059188APackaged mirror including mirror travel stopsSYMBOL TECHNOLOGIES INC·Filed 1996·Granted May 9, 2000·75 cites·13 claims
- 2881US10371396B2Air conditioner heat-radiating circulation systemQINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD·Filed 2015·Granted Aug 6, 2019·4 cites·17 claims
- 2981US7428995B1Scanning devices and methods using surface emitting laser diodesSYMBOL TECHNOLOGIES INC·Filed 2001·Granted Sep 30, 2008·28 cites·23 claims
- 3081US6540145B2Aperture controlled laser beam shaping techniques for scanning optical codeSYMBOL TECHNOLOGIES INC·Filed 2001·Granted Apr 1, 2003·33 cites·22 claims
- 3180US10290828B2Encapsulation structure and encapsulation method, and OLED apparatusBOE TECHNOLOGY GROUP CO LTD·Filed 2016·Granted May 14, 2019·3 cites·17 claims
- 3280US6633433B2Beam shaping for optical scannersSYMBOL TECHNOLOGIES INC·Filed 2001·Granted Oct 14, 2003·31 cites·13 claims
- 3379US10628119B2Sound effect processing method and mobile terminalGUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD·Filed 2019·Granted Apr 21, 2020·2 cites·18 claims
- 3478US11035597B2Outdoor unit of an air conditioning system, air conditioning system, and control method thereofQINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD·Filed 2018·Granted Jun 15, 2021·1 cites·12 claims
- 3578US6843416B2Integrated scanner on a common substrateSYMBOL TECHNOLOGIES INC·Filed 2003·Granted Jan 18, 2005·25 cites·8 claims
- 3677US6575370B1Electro-optical scanning assembly with one-piece, oscillatable, focusing/scan elementSYMBOL TECHNOLOGIES INC·Filed 2000·Granted Jun 10, 2003·23 cites·18 claims
- 3777US6065678ABar code scanner having a focusing systemSYMBOL TECHNOLOGIES INC·Filed 1998·Granted May 23, 2000·47 cites·16 claims
- 3876US7038853B2Athermalized plastic lensSYMBOL TECHNLOGIES INC·Filed 2003·Granted May 2, 2006·23 cites·16 claims
- 3976US6817529B2Hand-held bar code reader with single printed circuit boardSYMBOL TECHNOLOGIES INC·Filed 2003·Granted Nov 16, 2004·19 cites·10 claims
- 4075US6102294AIntegrated scanner on a common substrateSYMBOL TECHNOLOGIES INC·Filed 1995·Granted Aug 15, 2000·43 cites·34 claims
- 4175US5861615APalm scannerSYMBOL TECHNOLOGIES INC·Filed 1996·Granted Jan 19, 1999·45 cites·15 claims
- 4275US5705799AMiniature optical scanning assembly for barcode readersSYMBOL TECHNOLOGIES INC·Filed 1996·Granted Jan 6, 1998·50 cites·20 claims
- 4375US5468952AMiniature high speed scan element mounted on a personal computer interface cardSYMBOL TECHNOLOGIES INC·Filed 1994·Granted Nov 21, 1995·52 cites·20 claims
- 4473US10817255B2Scene sound effect control method, and electronic deviceGUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD·Filed 2019·Granted Oct 27, 2020·1 cites·12 claims
- 4573US6029893AOptical scanner having a reflected light collector including holographic optical elementsSYMBOL TECHNOLOGIES INC·Filed 1997·Granted Feb 29, 2000·44 cites·20 claims
- 4673US5521367AFiber optic barcode reader with piezoelectric elementSYMBOL TECHNOLOGIES INC·Filed 1994·Granted May 28, 1996·41 cites·47 claims
- 4772US5988508ALaser scanning system and scanning method for reading 1-D and 2-D barcode symbolsSYMBOL TECHNOLOGIES INC·Filed 1997·Granted Nov 23, 1999·44 cites·20 claims
- 4872US5744790ASplit optics focusing apparatus for CCD-based bar code scannerSYMBOL TECHNOLOGIES INC·Filed 1996·Granted Apr 28, 1998·43 cites·35 claims
- 4971US10688563B2Manufacturing method of multilayer shell-core composite structural componentLI YADONG·Filed 2018·Granted Jun 23, 2020·0 cites·16 claims
- 5071US9333083B2Artificial hip joint consisting of multi-layer shell core composite structural componentsLI YADONG·Filed 2011·Granted May 10, 2016·4 cites·6 claims
Showing the top 50 of 125 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →