CPC Main Group Additional Only
B81B 2201/00 Specific applications of microelectromechanical systems
11 direct subcodes
Child Classifications
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- B81B 2201/01 Switches
- B81B 2201/02 Sensors
- B81B 2201/03 Microengines and actuators
- B81B 2201/04 Optical MEMS
- B81B 2201/05 Microfluidics
- B81B 2201/06 Bio-MEMS
- B81B 2201/07 Data storage devices, static or dynamic memories
- B81B 2201/10 Microfilters, e.g. for gas or fluids
- B81B 2201/11 Read heads, write heads or micropositioners for hard- or optical disks
- B81B 2201/12 STM or AFM microtips
- B81B 2201/13 Mechanical connectors, i.e. not functioning as an electrical connector
Top Applicants
Top 10 applicants by patent filingsfor class B81, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 1,976
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 788
- INFINEON TECHNOLOGIES DE 759
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 555
- STMICROELECTRONICS IT 526
- INVENSENSE US 430
- MURATA MANUFACTURING COMPANY JP 418
- SEIKO EPSON CORPORATION 338
- CHINESE ACADEMY OF SCIENCES 338
- FRAUNHOFER DE 297