Inventor · Taipei, TW

Yang Cheng

55Patents

19h-index

16Co-inventors

81Inventor score

Filing activity: Jan 4, 1999 → Dec 15, 2022

Most-cited inventions

Patent	Title	Area	Cited by	Status
US8123782B2	Interspinous spacer	Human Necessities	75	Active
US6651344B2	Foldable knife structure	Performing Operations; Transporting	62	Expired
US8273108B2	Interspinous spacer	Human Necessities	59	Active
US8277488B2	Interspinous spacer	Human Necessities	56	Active
US8845726B2	Dilator	Human Necessities	54	Active
US8454623B2	Instrument for insertion and deployment of features on an implant	Human Necessities	45	Active
US6105255A	Folding knife	Performing Operations; Transporting	43	Expired
USD768456S1	Knife	General	39	Active
US6810588B1	Folding knife structure	Performing Operations; Transporting	37	Expired
US9155570B2	Interspinous spacer	Human Necessities	34	Active
US9119680B2	Interspinous spacer	Human Necessities	34	Active
US8328870B2	Stand-alone interbody fixation system	Human Necessities	34	Active
US9161783B2	Interspinous spacer	Human Necessities	32	Active
US6101722A	Retractable knife with single-edged blade	Performing Operations; Transporting	28	Expired
USD429986S	Knife	General	25	Expired
US7275321B2	Folding knife assembly	Performing Operations; Transporting	22	Expired
US6848184B2	Single blade foldable knife	Performing Operations; Transporting	21	Expired
USD706605S1	Knife	General	21	Active
USD733515S1	Knife	General	19	Active
USD448442S	Combined knife and sheath	General	19	Expired
USD688933S1	Knife	General	18	Active
USD801139S1	Multipurpose tool	General	18	Active
US9956011B2	Interspinous spacer	Human Necessities	17	Active
USD427043S	Knife	General	17	Expired
USD692289S1	Knife	General	15	Active

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