• The Institute of Electronics, Information, and Communication Engineers, Japan (IEICE)
• Electronics Society
• Microwave Photonics (MWP)
• Microwave Simulator (MST)
• Superconductive Electronics (SCE)
• Electron Devices (ED)
• Integrated Circuits and Devices (ICD)
• Optoelectronics (OPE)
• Electromagnetic Theory (EMT)
• 　
• Communications Society
• Antenna and Propagation (AP)
• Electromagnetic Compatibility (EMCJ)
• Radio Communication Systems (RCS)
• Satellite Telecommunications (SAT)
• Solar Power Satellite/Station (SPS)
• 　
• Standard Activities/Standards Committee
• International Electrotechnical Commission (IEC)
• WG3"Measurement methods for microwave and millimeter-wave to photonic convert"

• IEEE
• IEEE MTT-S
• IEEE MTT-S Japan Chapter
• IEEE MTT-S Kansai Chapter

• The Radiation Science Society of Japan

International Conferences/Workshops/Meetings (2005)

• IEEE MTTS IMS2005 (Long Beach, California, June 12-17, 2005)
• ISMOT2005 (10th International Symposium on Microwave and Optical Technology) (Fukuoka, August 22-25, 2005)

International Conferences/Workshops/Meetings (2006)

• IEEE MTTS IMS2006 (San Francisco, California, June 11-16, 2006)