CPC Subgroup
B81B 7/02 containing distinct electrical or optical devices of particular relevance for their function, e.g. microelectro-mechanical systems [MEMS] (B81B7/04 takes precedence)
Full Title
Microstructural systems; > containing distinct electrical or optical devices of particular relevance for their function, e.g. microelectro-mechanical systems [MEMS] (B81B7/04 takes precedence)
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