Inventor · Lexington, MA, US

Subhash Roy

35Patents
13h-index
32Co-inventors
77Inventor score

Filing activity: May 17, 1996 → Aug 18, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5893162A Method and apparatus for allocation and management of shared memory with data in memory stored as multiple linked lists Electricity 198 Expired
US6246682A Method and apparatus for managing multiple ATM cell queues Electricity 116 Expired
US6631130B1 Method and apparatus for switching ATM, TDM, and packet data through a single communications switch while maintaining TDM timing Electricity 47 Expired
US7061935B1 Method and apparatus for arbitrating bandwidth in a communications switch Electricity 38 Expired
US6646983B1 Network switch which supports TDM, ATM, and variable length packet traffic and includes automatic fault/congestion correction Electricity 33 Expired
US6134653A RISC processor architecture with high performance context switching in which one context can be loaded by a co-processor while another context is being accessed by an arithmetic logic unit Physics 32 Expired
US5774465A Method and apparatus for providing multiple multicast communication sessions in an ATM destination switch Electricity 26 Expired
US8051205B2 Peer-to-peer distributed storage Physics 25 Active
US6636515B1 Method for switching ATM, TDM, and packet data through a single communications switch Electricity 22 Expired
US6636511B1 Method of multicasting data through a communications switch Electricity 19 Expired
US6321331A Real time debugger interface for embedded systems Physics 15 Expired
US6243359A Methods and apparatus for managing traffic in an atm network Electricity 13 Expired
US8057106B1 Fiber optic connector microlens with focal plane aligning fiber trap Physics 13 Active
US6205155A Apparatus and method for limiting data bursts in ATM switch utilizing shared bus Electricity 12 Expired
US8457454B1 Optical substrate chip carrier Physics 12 Active
US8200094B1 System and method for free space optical connector alignment Electricity 10 Active
US6356561B1 Method and apparatus for the fair and efficient transfer of variable length packets using fixed length segments Electricity 9 Expired
US8748797B1 Two wavelength range photodiode demultiplexer and methods for using the same Electricity 9 Active
US8792789B1 Optimized chromatic dispersion filter Electricity 8 Active
US8135281B2 Free space optical connector Electricity 6 Active
US8061904B1 Fiber optic connector microlens with self-aligning optical fiber cavity Physics 5 Active
US8109676B2 Fiber optic cable with high interface mismatch tolerance Physics 4 Active
US7463626B2 Phase and frequency drift and jitter compensation in a distributed telecommunications switch Electricity 4 Expired
US8437085B1 Optical element assembly with integrally formed microlens Electricity 4 Active
US8109675B1 Connector jack processing backcap Physics 3 Active

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