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ROLM SYSTEMS

Overview
  • Total Patents
    155
About

ROLM SYSTEMS has a total of 155 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, computer technology and digital networks are SIEMENS BUSINESS COMM SYSTEMS, VOICE TECH GROUP INC and EDIFY CORP.

Patent filings in countries

World map showing ROLM SYSTEMSs patent filings in countries

Patent filings per year

Chart showing ROLM SYSTEMSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shaffer Shmuel 27
#2 Beyda William J 13
#3 Beyda William Joseph 11
#4 Yuan Chris 8
#5 Perelman Roberto 7
#6 King Neal J 7
#7 Kaminsky Mark E 7
#8 Patel Bipin 7
#9 Duncan Michael Glen 6
#10 Khalid Zafar M 6

Latest patents

Publication Filing date Title
EP0892565A2 Data transmission system including mechanism for correcting errors in a dialed number
DE19810454A1 Display message conversion method for telephone apparatus
CN1242920A System and method for cellular smart switching
US5841778A System for adaptive backoff mechanisms in CSMA/CD networks
US5895988A Safety system for an electronic device having multiple power inputs
DE19731268A1 Surface mounted connecting terminal e.g for telephone
CN1233370A Conference member identification for a telephone system
EP0805562A2 Radio-frequency hearing aid protector for wireless communications products
US5757881A Redundant field-defining arrays for a radiation system
US5815562A Apparatus and method for providing a user with one telephone number that rings phones on heterogeneous systems worldwide
US5739746A Method and apparatus for determining user presence in vehicular communications systems
US5818904A Collaborative trunk testing method and system
US5802147A System and method for notifying a user of awaiting messages
US5818924A Combined keypad and protective cover
US5828742A Caller discrimination within a telephone system
US5761294A Method and system for connecting a digital phone limited to analog transmissions
US5870610A Autoconfigurable method and system having automated downloading
US5864755A Method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes
US5857019A Apparatus and method for providing a telephone user with control of the threshold volume at which the user's voice will take control of a half-duplex speakerphone conversation
US5768347A Method of providing limited access to preserve privacy within a message system