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DIFF Subgroup
G06F 12/0804

with main memory updating (G06F12/0806 takes precedence)

Introduced: January 2016

Title

Titles differ between systems:

IPC: with main memory updating

CPC: with main memory updating (G06F12/0806 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Accessing, addressing or allocating within memory systems or architectures > Addressing or allocation; Relocation > in hierarchically structured memory systems, e.g. virtual memory systems > Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches > with main memory updating

CPC:

Accessing, addressing or allocating within memory systems or architectures (digital input from, or digital output to record carriers, e.g. to disk storage units, G06F3/06) > Addressing or allocation; Relocation (program address sequencing G06F9/00; arrangements for selecting an address in a digital store G11C8/00) > in hierarchically structured memory systems, e.g. virtual memory systems > Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches > with main memory updating (G06F12/0806 takes precedence)

Additional Content IPC

Multiuser, multiprocessor or multiprocessing cache systems, e.g. write-back due to coherency protocol transactions

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505

Top Applicants (CPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 76,952
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
  3. MICROSOFT TECHNOLOGY LICENSING US 44,778
  4. GOOGLE US 35,735
  5. INTEL CORPORATION US 32,087
  6. HUAWEI TECHNOLOGIES COMPANY CN 30,572
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
  8. APPLE US 23,482
  9. SGCC(STATE GRID CORPORATION OF CHINA) 22,548
  10. HUAWEI TECHNOLOGIES COMPANY 20,917