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PCE
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DIFF Subgroup
B43L 13/18

having optical or projecting equipment (optical systems or apparatus G02B; projectors G03B)

Introduced: September 1968

Title

Titles differ between systems:

IPC: having optical or projecting equipment

CPC: having optical or projecting equipment (optical systems or apparatus G02B; projectors G03B)

Full Title

Full titles differ between systems:

IPC:

Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for > Devices for drawing in perspective > free-hand > having optical or projecting equipment

CPC:

Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for (stencils for surface decoration B44D) > Devices for drawing in perspective > free-hand > having optical or projecting equipment (optical systems or apparatus G02B; projectors G03B)

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

Top Applicants

Top Applicants (IPC)

Class B43,2013–2023, worldwide · Source: EPO PATSTAT

  1. PILOT CORPORATION 1,100
  2. MITSUBISHI PENCIL COMPANY 818
  3. SOCIETE BIC FR 380
  4. MITSUBISHI PENCIL COMPANY JP 371
  5. PILOT CORPORATION JP 273
  6. DELI GROUP COMPANY 249
  7. SHANGHAI M&G STATIONERY 176
  8. PENTEL 169
  9. ZEBRA PEN CORPORATION 153
  10. GUANGZHOU SHIRUI ELECTRICAL TECHNOLOGY COMPANY 124

Top Applicants (CPC)

Class B43,2013–2023, worldwide · Source: EPO PATSTAT

  1. SOCIETE BIC FR 422
  2. MITSUBISHI PENCIL COMPANY JP 381
  3. PILOT CORPORATION JP 299
  4. MITSUBISHI PENCIL COMPANY 213
  5. PILOT CORPORATION 100
  6. WACOM COMPANY JP 89
  7. STAEDTLER MARS & COMPANY DE 87
  8. KOTOBUKI JP 82
  9. CRAYOLA US 78
  10. SANFORD US 73