Inventor · Kwai Chung, CN

Patrick Ho

27Patents
12h-index
7Co-inventors
74Inventor score

Filing activity: Jun 24, 1992 → Apr 5, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5259626A Programmable video game controller Human Necessities 225 Expired
USD344708S Battery charger for handheld electronic game General 65 Expired
US6439956B1 RC car device Human Necessities 55 Expired
USD355450S Hand held controller for a video game machine General 37 Expired
USD352970S Joystick General 27 Expired
US6386979B1 Methods and systems for transferring game saves between a game system memory card and a computer Human Necessities 26 Expired
USD358761S Container for cartridge General 23 Expired
USD354092S Joystick General 22 Expired
USD340479S Joystick General 20 Expired
USD339759S Passive infra red detector General 18 Expired
USD352739S Joystick General 18 Expired
USD353764S Container for cartridge General 15 Expired
USD347247S Hand-held electronic game housing General 11 Expired
USD343649S Controller for a video game machine General 11 Expired
USD357844S Container for diskette General 10 Expired
US6909981B2 Data management system and method for processing signals from sample spots Physics 9 Expired
USD357946S Ear phone housing for video games General 9 Expired
USD342973S Controller for a video game machine General 7 Expired
US9501768B2 Smart ticketing in fare collection systems Electricity 6 Active
US9275535B1 Detecting and identifying fare evasion at an access control point Physics 6 Active
USD352529S Joystick General 6 Expired
USD347663S Apparatus for an electronic handheld game housing General 5 Expired
US7860685B2 Method for clustering signals in spectra Electricity 3 Active
US10304059B2 Biometric payment in transit systems Physics 1 Active
US11713032B1 Direction control device for hovercraft Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.