- Institute of Radio Engineers (2)
- Institute of Electrical and Electronics Engineers (1)
- Institute of Electronics, Information and Communication Engineers, Japan. Technical Committee on Fault-Tolerant Systems (1)
- Institution of Electrical Engineers. Wireless Section (1)
- Institution of Electronic and Radio Engineers (1)
- Institution of Electronics and Telecommunication Engineers (India) (1)
- Kammer der Technik (1)
- Siemens Aktiengesellschaft (1)
- 電子情報通信学会 (1)
- (12)