Oesterreichisch-Japanische Gesellschaft

9 April 2021 / Last updated : 26 September 2024 Mami Iwasaki

Yokohama City University

9 April 2021 / Last updated : 9 April 2021 Mami Iwasaki Individual Members

LOTTE Hotel Arai Co.,Ltd.

26 March 2021 / Last updated : 18 April 2025 Mami Iwasaki

VDM Metals Japan K.K.

16 March 2021 / Last updated : 16 March 2021 Mami Iwasaki Individual Members

Zuckerbäckerei Kayanuma K.K.

24 January 2021 / Last updated : 24 January 2021 ABC-jpn Individual Members

zooom productions G.K.

24 January 2021 / Last updated : 24 January 2021 ABC-jpn Individual Members

World Antiquarian Book Plaza

24 January 2021 / Last updated : 1 December 2025 ABC-jpn

Vilamusica Records GmbH

24 January 2021 / Last updated : 21 December 2022 ABC-jpn

The Foreign Correspondence Club

24 January 2021 / Last updated : 26 February 2026 ABC-jpn

TDK Corporation

24 January 2021 / Last updated : 21 December 2022 ABC-jpn