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DIFF Subgroup
H01M 8/0276

Sealing means characterised by their form (H01M8/0273 takes precedence)

Introduced: January 2016

Title

Titles differ between systems:

IPC: Sealing means characterised by their form

CPC: Sealing means characterised by their form (H01M8/0273 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Fuel cells; Manufacture thereof > Details > Sealing or supporting means around electrodes, matrices or membranes > Sealing means characterised by their form

CPC:

Fuel cells; Manufacture thereof > Details (electrodes H01M4/86 - H01M4/98) > Sealing or supporting means around electrodes, matrices or membranes > Sealing means characterised by their form (H01M8/0273 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634

Top Applicants (CPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080