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D2B SYSTEMS CO LTD

Overview
  • Total Patents
    120
About

D2B SYSTEMS CO LTD has a total of 120 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United Kingdom, EPO (European Patent Office) and United States. Its main competitors in its focus markets telecommunications, digital networks and audio-visual technology are NEC AUSTRALIA PTY LTD, AT&T INTELLECTUAL PROPERTY II LP and SUMITOMO ELECTRIC NETWORKS INC.

Patent filings per year

Chart showing D2B SYSTEMS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoekstra Jelle 33
#2 Van Steenbrugge Bernard 18
#3 Welmer Harm Jan 13
#4 Wilson Neil Andrew 5
#5 Harumu Yan Uerumaa 4
#6 Stirling Andrew James 4
#7 Theobald Stephen Charles 3
#8 Welmer Harm J 3
#9 Stirling Andrew J 3
#10 Berunarudo Fuan Suteenburutsuh 2

Latest patents

Publication Filing date Title
GB9606084D0 Data frame buffering
JPH0884153A Communication bus system and master station used therefor
CZ61395A3 Single-channel communication method in multistation communication bus system and apparatus for making the same
SG72675A1 New d2b device address initialisation starts with previous address
GB9406477D0 Interconnection of local communication bus systems
GB9406483D0 Communication system message acknowledgement
GB9406465D0 Local communication system control coding
GB9406469D0 Local communication system message routing
GB9406484D0 Local communication system message arbitration
GB9325301D0 Local communication system and station for use in such a system
GB9325300D0 Local communication system and station for use in such a system
GB9325299D0 Local communication system and station for use in as system
GB9316996D0 Communication bus system and station for use in such system
GB9317025D0 Local communication system with plural data channels and apparatus for use as a master/slave station for use in such system
GB9314850D0 Communication bus system and station for use in such communication bus system
GB9314860D0 Communication bus system with mitigation of slave station locking problem and master station for use in such communication system
GB9311602D0 Local communication system with plural data channels,and apparatus for use as a master/slave station and as a slave only station in such system
GB9226578D0 Local communications system with plural data channels
GB9226580D0 Local communications system with plural data channels
GB9219709D0 Apparatus interconnected for the communication of control messages