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DIFF Main Group
G01N 24/00

Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

Introduced: January 1980

Title

Titles differ between systems:

IPC: Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

CPC: Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

Full Title

Full titles differ between systems:

IPC:

Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

CPC:

Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

Additional Content IPC

measuring for medical or veterinary diagnosis on the human or animal body involving electronic (EMR) or nuclear (NMR) magnetic resonance, e.g. magnetic resonance imaging (MRI)

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • G01N 24/002 CPC only CPC only
  • G01N 24/004 CPC only CPC only
  • G01N 24/006 CPC only CPC only
  • G01N 24/008 CPC only CPC only
  • G01N 24/10 by using electron paramagnetic resonance (G01N24/12 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
  • G01N 24/12 by using double resonance since 1980 IPC+CPC Available in IPC and CPC
  • G01N 24/14 by using cyclotron resonance since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G01,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 41,447
  2. CHINESE ACADEMY OF SCIENCES 32,952
  3. ROBERT BOSCH DE 16,470
  4. SAMSUNG ELECTRONICS COMPANY KR 10,052
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
  6. ZHEJIANG UNIVERSITY 9,529
  7. GUANGDONG POWER GRID CORPORATION 8,615
  8. TSINGHUA UNIVERSITY 7,805
  9. HALLIBURTON ENERGY SERVICES GROUP US 7,796
  10. QUALCOMM US 7,171

Top Applicants (CPC)

Class G01,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 21,460
  2. ROBERT BOSCH DE 17,801
  3. SGCC(STATE GRID CORPORATION OF CHINA) 17,347
  4. SAMSUNG ELECTRONICS COMPANY KR 13,192
  5. QUALCOMM US 9,900
  6. HALLIBURTON ENERGY SERVICES GROUP US 9,742
  7. PHILIPS ELECTRONICS NL 7,249
  8. MITSUBISHI ELECTRIC CORPORATION JP 6,503
  9. ZHEJIANG UNIVERSITY 6,414
  10. DENSO CORPORATION JP 6,382