Inventor · San Jose, CA, US

Ju Shen

54Patents

21h-index

41Co-inventors

88Inventor score

Filing activity: Aug 15, 1989 → Aug 27, 2013

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5233539A	Programmable gate array with improved interconnect structure, input/output structure and configurable logic block	Electricity	185	Expired
US5422823A	Programmable gate array device having cascaded means for function definition	Electricity	164	Expired
US5586044A	Array of configurable logic blocks including cascadable lookup tables	Electricity	95	Expired
US5587921A	Array of configurable logic blocks each including a look up table having inputs coupled to a first multiplexer and having outputs coupled to a second multiplexer	Electricity	92	Expired
US5336951A	Structure and method for multiplexing pins for in-system programming	Physics	91	Expired
US6828823B1	Non-volatile and reconfigurable programmable logic devices	Electricity	87	Expired
US5212652A	Programmable gate array with improved interconnect structure	Electricity	86	Expired
US5260881A	Programmable gate array with improved configurable logic block	Electricity	81	Expired
US5237218A	Structure and method for multiplexing pins for in-system programming	Physics	77	Expired
US5329460A	Programmable gate array with improved interconnect structure, input/output structure and configurable logic block	Electricity	73	Expired
US5412260A	Multiplexed control pins for in-system programming and boundary scan state machines in a high density programmable logic device	Electricity	66	Expired
US6356107B1	Method and structure dynamic in-system programming	Electricity	51	Expired
US6304099A	Method and structure for dynamic in-system programming	Electricity	50	Expired
US5740069A	Logic device (PLD) having direct connections between configurable logic blocks (CLBs) and configurable input/output blocks (IOBs)	Electricity	46	Expired
US5394033A	Structure and method for implementing hierarchical routing pools in a programmable logic circuit	Electricity	42	Expired
US5359536A	Programmable gate array with improved interconnect structure, input/output structure and configurable logic block	Electricity	40	Expired
US6229336A	Programmable integrated circuit device with slew control and skew control	Electricity	40	Expired
US5191243A	Output logic macrocell with enhanced functional capabilities	Electricity	34	Expired
US5598346A	Array of configurable logic blocks including network means for broadcasting clock signals to different pluralities of logic blocks	Electricity	29	Expired
US7675313B1	Methods and systems for storing a security key using programmable fuses	Physics	27	Active
US5490074A	Constant delay interconnect for coupling configurable logic blocks	Electricity	23	Expired
US7375549B1	Reconfiguration of programmable logic devices	Electricity	20	Active
US6765408B2	Device and method with generic logic blocks	Electricity	19	Expired
US5130574A	Programmable logic device providing product term sharing and steering to the outputs of the programmable logic device	Electricity	17	Expired
US6777979B1	FIFO memory architecture	Electricity	17	Expired

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