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IPC Main Group
B81B 7/00

Microstructural systems

Introduced: January 2000

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MICROSTRUCTURAL TECHNOLOGY
Subclass:
MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES

Filing statistics

IPC B81B 7/00 belongs to the parent subclass B81B, which recorded 26,763 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,328 in 2013 to 2,247 in 2023 (-3%), peaking at 2,573 applications in 2016. The most active applicants in class B81 are ROBERT BOSCH (2,338 applications), INFINEON TECHNOLOGIES (702 applications) and TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (691 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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  • B81B 7/02 containing distinct electrical or optical devices of particular relevance for their function, e.g. microelectro-mechanical systems [MEMS]
  • B81B 7/04 Networks or arrays of similar microstructural devices

Top Applicants

Top 10 applicants by patent filingsfor class B81, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 2,338
  2. INFINEON TECHNOLOGIES DE 702
  3. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 691
  4. CHINESE ACADEMY OF SCIENCES 508
  5. CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 507
  6. SEIKO EPSON CORPORATION 484
  7. HEWLETT-PACKARD DEVELOPMENT COMPANY US 439
  8. INVENSENSE US 378
  9. STMICROELECTRONICS IT 365
  10. FRAUNHOFER DE 337