Inventor · Leeds, MA, US

Robert W. Jeffway, Jr.

25Patents
12h-index
24Co-inventors
81Inventor score

Filing activity: Jul 26, 1990 → Jun 9, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5533920A Self-propelled musical toy ball Human Necessities 81 Expired
US5376038A Doll with programmable speech activated by pressure on particular parts of head and body Human Necessities 80 Expired
US7645178B1 Virtual world toy doll system Human Necessities 58 Active
US8439757B2 Interactive entertainment devices interchangeably arrangable in adjacent manner Human Necessities 48 Active
US5281143A Learning doll Human Necessities 40 Expired
US5816885A Deformable sound-generating electronic toy Human Necessities 24 Expired
US5679049A Toy telephone recording and playback Human Necessities 22 Expired
US6955603B2 Interactive gaming device capable of perceiving user movement Human Necessities 21 Expired
US6814667B2 eTroops infrared shooting game Human Necessities 20 Expired
US5069361A Crayon caddy Human Necessities 18 Expired
US8876604B2 Handheld electronic gesture game device and method Human Necessities 15 Active
US5399115A Blinking doll with power storage mechanism Human Necessities 14 Expired
US6464554B1 Non-mechanical contact trigger for an article Electricity 12 Expired
US7306523B1 Etroops infrared shooting game Human Necessities 10 Expired
US6422942B1 Virtual game board and tracking device therefor Physics 10 Expired
US7428994B1 Toy adapting to color of surroundings Human Necessities 10 Active
USD371810S Child's activity toy General 8 Expired
US6155838A Question and answer amusement device Physics 7 Expired
US5850628A Speech and sound synthesizers with connected memories and outputs Physics 4 Expired
US8819533B2 Interactive multimedia diary Physics 4 Active
US6540375B1 Non-mechanical contact actuator for an article Emerging Cross-Sectional Technologies 2 Expired
US6018709A Speech and sound synthesizers with connected memories and outputs Physics 2 Expired
US7710516B1 Liquid crystal display with color sector backlighting Physics 2 Active
USD733221S1 Animal arm with trigger activated paw General 1 Active
US9011224B1 Three dimensional lamp array game system Human Necessities 0 Active

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