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AMDAHL CORP

Overview
  • Total Patents
    497
About

AMDAHL CORP has a total of 497 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets computer technology, machines and semiconductors are Apexone microelectronics shanghai co ltd, RESHAPE INC and MCELVAIN KENNETH S.

Patent filings per year

Chart showing AMDAHL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Woffinden Gary A 23
#2 Thomas Jeffrey A 22
#3 Knudsen Helge 20
#4 Yaffe John 19
#5 Chong Daniel T 19
#6 Plazak Zbigniew 19
#7 Robertson Michael 19
#8 Maier Robert M 18
#9 Zmyslowski Allan J 18
#10 Bishop Richard Leslie 16

Latest patents

Publication Filing date Title
AU5780200A Pooled resource e-value multiple provider systems
US6397216B1 Ordering keys in a table using an ordering mask
US6286089B1 Coupling facility using dynamic address translation
WO0004513A1 Theft deterrent repository for security controlled devices
US6453344B1 Multiprocessor servers with controlled numbered of CPUs
US6289457B1 Value data system having containers for theft deterrent repositories
US6393411B1 Device and method for authorized funds transfer
US6145066A Computer system with transparent data migration between storage volumes
US5581794A Apparatus for generating a channel time-out signal after 16.38 milliseconds
US5574936A Access control mechanism controlling access to and logical purging of access register translation lookaside buffer (ALB) in a computer system
US5603008A Computer system having cache memories with independently validated keys in the TLB
US5487166A Computer with two-dimensional merge tournament sort using offset-value coding
US5491799A Communication interface for uniform communication among hardware and software units of a computer system
US5517514A Parity checking system with reduced usage of I/O pins
US5517668A Distributed protocol framework
US5748976A Mechanism for maintaining data coherency in a branch history instruction cache
US5457781A System having main unit for shutting off clocks to memory upon completion of writing data into memory and information supervising unit to read the data
EP0550286A2 2-level multi-processor synchronization protocol
EP0550289A2 A mechanism to detect stores into the instruction stream
EP0550288A2 Net verification method and apparatus