Inventor · disambiguated record
Xifan Chen
Also filed as: CHEN XIFAN
7 granted patents·1 pending application·264 citations·filing 1999–2022
86Inventor score
Files withSUPERPASS COMPANY INC4SONY INTERACTIVE ENTERTAINMENT INC2Sony Interactive Entertainment LLC2
Top patents by PatentIndex Score
8 records- 0191US6377227B1High efficiency feed network for antennasSUPERPASS COMPANY INC·Filed 2000·Granted Apr 23, 2002·190 cites·12 claims
- 0289US11338210B2Remote networked services for providing contextual game guidanceSony Interactive Entertainment LLC·Filed 2019·Granted May 24, 2022·8 cites·26 claims
- 0383US11504618B2Server-based video help in a video gameSONY INTERACTIVE ENTERTAINMENT INC·Filed 2019·Granted Nov 22, 2022·5 cites·19 claims
- 0465US11766618B2Remote networked services for providing contextual game guidance based on a user objectiveSony Interactive Entertainment LLC·Filed 2022·Granted Sep 26, 2023·0 cites·24 claims
- 0565US6525694B2High gain printed loop antennaSUPERPASS COMPANY INC·Filed 2001·Granted Feb 25, 2003·19 cites·11 claims
- 0661US6259416B1Wideband slot-loop antennas for wireless communication systemsSUPERPASS COMPANY INC·Filed 1999·Granted Jul 10, 2001·31 cites·14 claims
- 0761US2023041552A1Relevancy-based video help in a video gameSONY INTERACTIVE ENTERTAINMENT INC·Filed 2022·Application pending·0 cites
- 0854US6879296B2Horizontally polarized slot antenna with omni-directional and sectorial radiation patternsSUPERPASS COMPANY INC·Filed 2002·Granted Apr 12, 2005·11 cites·41 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →