Ikko Funaki

Electron Emission Mechanism of Microwave Discharge Neutralizer.

Hitoshi Kuninaka, Kazutaka Nishiyama, Haruki Takegahara, 2001 .

Plasma Diagnostics of Microwave Neutralizer.

Hitoshi Kuninaka, Shin Satori, Ikko Funaki, 1999 .

Result of 18,000-hour endurance test on microwave discharge ion thruster engineering model

Hitoshi Kuninaka, Kyoichiro Toki, Kazutaka Nishiyama, 2000 .