Inventor · Newton, MA, US

Thomas O. Holtey

45Patents
19h-index
32Co-inventors
81Inventor score

Filing activity: Dec 22, 1975 → Sep 12, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5592375A Computer-assisted system for interactively brokering goods or services between buyers and sellers Physics 718 Expired
US5293424A Secure memory card Physics 262 Expired
US5442704A Secure memory card with programmed controlled security access control Physics 161 Expired
US5491827A Secure application card for sharing application data and procedures among a plurality of microprocessors Physics 124 Expired
US4161024A Private cache-to-CPU interface in a bus oriented data processing system Physics 55 Expired
US4291371A I/O Request interrupt mechanism Physics 54 Expired
US4722048A Microcomputer system with independent operating systems Physics 42 Expired
US4167782A Continuous updating of cache store Mechanical Engineering; Lighting; Heating 37 Expired
US7158480B1 Feedback output queuing system, apparatus, and method Electricity 36 Expired
US4799145A Facility for passing data used by one operating system to a replacement operating system Physics 35 Expired
US4195342A Multi-configurable cache store system Physics 35 Expired
US4757470A Pattern generation for a graphics display Physics 32 Expired
US4157587A High speed buffer memory system with word prefetch Physics 30 Expired
US4458308A Microprocessor controlled communications controller having a stretched clock cycle Physics 26 Expired
US4293908A Data processing system having direct memory access bus cycle Physics 26 Expired
US4945473A Communications controller interface Electricity 26 Expired
US4683466A Multiple color generation on a display Physics 23 Expired
US4407014A Communications subsystem having a direct connect clock Physics 23 Expired
US4665482A Data multiplex control facility Physics 20 Expired
US4724431A Computer display system for producing color text and graphics Physics 19 Expired
US4214303A Word oriented high speed buffer memory system connected to a system bus Mechanical Engineering; Lighting; Heating 18 Expired
US4290104A Computer system having a paging apparatus for mapping virtual addresses to real addresses for a memory of a multiline communications controller Physics 15 Expired
US4255786A Multi-way vectored interrupt capability Physics 14 Expired
US4393461A Communications subsystem having a self-latching data monitor and storage device Physics 13 Expired
US4271467A I/O Priority resolver Physics 12 Expired

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