Past trips
- June 21: Tokyo, Japan
- June 14–15
- May 29: Tokyo, Japan
- May 20: Tokyo, Japan
- April 2–4: Kaga, Japan
- March 27–30: Kapolei, HI, USA
- March 21: Kanazawa, Japan
- March 19–20: Kanazawa, Japan
- March 17–18: Osaka, Japan
- March 16: Tsukuba, Japan
- March 5–8: Hiroshima, Japan
- February 22: Tokyo, Japan
- February 19–21: Kyoto, Japan
- February 16: Tokyo, Japan
- February 14–15: Kyoto, Japan
- January 20–21: Tokyo, Japan
- January 6–7: Yonago, Japan
2023
- December 25–27: Ibusuki, Japan
- December 22–23: Miyazaki, Japan
- Decemebr 15: Tokyo, Japan
- November 24: Fukuoka, Japan
- November 16–17: Naha, Japan
- November 13–14: Tokyo, Japan
- October 24: Nagoya, Japan
- October 22–23: Atami, Japan
- Octoeber 17: Tokyo, Japan
- October 9–13: Tianjin, China
- September 25–29: Kyoto, Japan
- September 9: Osaka, Japan
- September 6–8: Osaka, Japan
- August 29: Hamamatsu, Japan
- August 28: Tokyo, Japan
- August 7–11: Liverpool, UK
- July 31–August 4: Montreal, Canada
- July 24–28: Batumi, Georgia
- July 4–5: Hakodate, Japan
- June 26: Tokyo, Jaapn
- June 24–25: Nagoya, Japan
- June 1–2: Tokyo, Japan
- May 19–20: Tokyo, Japan
- May 10–11: Sapporo, Japan
- May 9: Chofu, Japan
- March 21–24: Hsinchu, Taiwan
- March 19: Tokyo, Japan
- March 15–16: Tokyo, Japan
- March 7–10: Saitama, Japan
- February 20–24: Naha, Japan
- February 15–17: Kyoto, Japan
- February 3: Nomi, Japan
- January 30–February 1: Kyoto, Japan
- January 20: Izuka, Japan
- January 8–9: Yonago, Japan
2022
- December 19–20: Sendai, Japan
- December 15–17: Otsu, Japan
- December 9: Tokyo, Japan
- December 3
- November 17–18: Kochi, Japan
- November 11: Fukuoka, Japan
- October 26: Fukuoka, Japan
- October 25: Tokyo, Japan
- October 14: Tokyo, Japan
- September 19–23: Padua, Italy
- September 13–15: Sapporo, Japan
- August 26: Tokyo, Japan
- July 29–August 1: Sapporo, Japan
- July 16: Tokyo, Japan
- July 1: Tokyo, Japan
- March 3–4: Akita, Japan
2021
- December 24: Tokyo, Japan
- December 6–8: Fukuoka, Japan
- July 5: Tokyo, Japan
- May 14: Tokyo, Japan
- March 19–20
- March 17–18: Nomi, Japan
- February 5–6: Tokyo, Japan
2020
- December 20: Nagoya, Japan
- December 4: Matsuyama, Japan
- November 30: Tokyo, Japan
- October 23: Tokyo, Japan
- October 22: Suita, Japan
- October 3: Osaka, Japan
- August 27: Tokyo, Japan
- August 18–19: Kochi, Japan
- March 3–5: Kanazawa, Japan
- February 7: Tokyo, Japan
- February 6: Kyoto, Japan
- February 6–8: Taipei, Taiwan
- January 26: Kyoto, Japan
- January 13–14: Kyoto, Japan
- January 12: Yonago, Japan
2019
- December 14: Kyoto, Japan
- December 6–8: Okazaki, Japan
- December 3: Yatsushiro, Japan
- November 29: Kyoto, Japan
- November 28: Kitakyushu, Japan
- November 26: Tokyo, Japan
- November 23–24: Kagoshima, Japan
- November 4–5: Suwon, Korea
- October 23: Kyoto, Japan
- October 6–10: Hayama (Shonan), Japan
- October 4–5: Daejeon, Korea
- September 18–20: Kanazawa, Japan
- September 17: Nagano, Japan
- September 6–8: Fuchu, Japan
- August 31–September 1: Fukuoka, Japan
- July 31–August 1: Gamagori, Japan
- July 23: Tokyo, Japan
- July 15–17: Durham, UK
- July 8–11: Zagreb, Croatia
- July 6: Fukuoka, Japan
- June 8: Kasuga, Japan
- May 15: Tokyo, Japan
- May 14: Tokyo, Japan
- May 10–11 Kumamoto, Japan
- May 7: Tokyo, Japan
- April 17: Tokyo, Japan
- April 14–16: Kitakyushu, Japan
- March 21–27: Wuhan, China
- March 19: Tokyo, Japan
- March 17–18: Tokyo, Japan
- March 5: Yonezawa, Japan
- February 5–6: Tokyo, Japan
- January 29–30: Osaka, Japan
- January 25: Tokyo, Japan
2018
- December 12: Tokyo, Japan
- December 11: Miyakonojo, Japan
- December 9: Tokyo, Japan
- December 8
- December 7: Tokyo, Japan
- November 25–27: Noboribetsu, Japan
- November 23–25: Onna, Japan
- November 14: Tokyo, Japan
- November 12–13: Atami, Japan
- November 4–6: Tokyo, Japan
- October 3: Tokyo, Japan
- September 27–28: Faro, Portugal
- September 24–26: Berlin, Germany
- September 13–15: Tokyo, Japan
- September 2–7: Wadern (Dagstuhl), Germany
- August 29–31: Liverpool, UK
- August 26–27: Fukuoka, Japan
- August 7–9: Tokyo, Japan
- July 30–31: Tokyo, Japan
- July 25–26: Tokyo, Japan
- July 17–19: Kujukuri, Japan
- July 6: Fukuoka, Japan
- June 27–28: Tokyo, Japan
- May 25–26: Nagoya, Japan
- May 22–23: Tokyo, Japan
- April 2–3: Tokyo, Japan
- March 22–23: Tokyo, Japan
- March 18–21: Tokyo, Japan
- March 6–9: Kanazawa, Japan
- February 4–8: Banff, Canada
- January 29–Feb 2: Tokyo, Japan
- January 28: Ishigaki, Japan
2017
- November 26–December 1: Wadern (Dagstuhl), Germany
- November 24: Tokyo, Japan
- November 16: Kokubunji, Japan
- November 12–14: Akkeshi, Japan
- November 10: Tokyo, Japan
- October 29–November 2: Hayama (Shonan), Japan
- September 23–24: Fukuoka, Japan
- September 19: Kyoto, Japan
- September 15: Tokyo, Japan
- September 12–14: Yamagata, Japan
- September 11: Tokyo, Japan
- September 9: Tokyo, Japan
- September 8: Tokyo, Japan
- August 30–September 1: Tokyo, Japan
- August 28–29: Kagoshima, Japan
- August 25–26: Seoul, Korea
- August 17–18: Kumamoto, Japan
- August 5–7: Tokyo, Japan
- July 27: Tokyo, Japan
- July 24–26: Daejeon, Korea
- June 9: Tokyo, Japan
- May 12–13: Nagasaki, Japan
- May 9: Kawasaki, Japan
- April 18–19: Tokyo, Japan
- April 10–13: Anogeia, Greece
- March 24–26: Hachioji, Japan
- March 23: Nagoya, Japan
- March 20: Tokyo, Japan
- March 11–16: Holetown, Barbados
- March 6: Tokyo, Japan
- March 4: Fukuoka, Japan
- February 18: Tokyo, Japan
- February 10: Tokyo, Japan
- February 2: Kyoto, Japan
- January 17: Morioka, Japan
2016
- November 24–25: Kobe, Japan
- November 1–3: Darmstadt, Germany
- October 21: Sendai, Japan
- October 13–14: Niigata, Japan
- October 10–11:: Daejeon, Korea
- September 23: Tokushima, Japan
- September 20–22: Hayama, Japan
- September 17–18: Suita, Japan
- September 16: Kyoto, Japan
- September 12: Tokyo, Japan
- August 30–31: Hakodate, Japan
- August 25–26: Kyoto, Japan
- July 19–21: Heguri, Japan
- July 1–2: Sendai, Japan
- June 25: Kanazawa, Japan
- June 20–23: Marseilles, France
- June 16–18: Boston, MA, USA
- May 9–13: Niederalteich, Germany
- March 21–25: Holetown, Barbados
- March 16–17: Tsukuba, Japan
- March 14: Tokyo, Japan
- March 11–12: Yokohama, Japan
- January 27–28: Kyoto, Japan
- January 12: Tokyo, Japan
2015
- December 9–10: Nagoya, Japan
- December 7: Tokyo, Japan
- December 4: Tokyo, Japan
- December 3: Tokyo, Japan
- December 1: Suita, Japan
- November 20: Tokyo, Japan
- November 11–13: Berlin, Germany
- October 30–31: Kanazawa, Japan
- October 24: Tokyo, Japan
- October 23: Tokyo, Japan
- October 8–10: Shibukawa (Ikaho), Japan
- October 6: Tokyo, Japan
- October 2: Tokyo, Japan
- September 20–25: Wadern (Dagstuhl), Germany
- September 18: Tokyo, Japan
- September 17: Kyoto, Japan
- September 14–16: Kyoto, Japan
- September 9–10: Tokyo, Japan
- September 8: Tokyo, Japan
- September 5–7: Nomi, Japan
- September 1: Nagano, Japan
- August 31: Kyoto, Japan
- August 28: Tokyo, Japan
- July 31: Tokyo, Japan
- July 30: Tokyo, Japan
- July 28: Tokyo, Japan
- July 21–22: Nomi, Japan
- July 17: Tokyo, Japan
- July 12–15: Tokyo, Japan
- July 4–5: Kyoto, Japan
- May 26: Tokyo, Japan
- May 8–9: Potsdam, Germany
- March 22–24: Tokyo, Japan
- March 21
- March 15–18: Ljubljana, Slovenia
- March 8–13: Banff, AB, Canada
- March 2–6: Kanazawa, Japan
- February 24: Tokyo, Japan
- February 13–14: Sendai, Japan
- January 28–30: Kyoto, Japan
- January 23–24: Tokyo, Japan
- January 13–14: Nagoya, Japan
- January 9: Tokyo, Japan
2014
- December 24–26: Kyoto, Japan
- December 5: Tokyo, Japan
- November 28–29: Fukuoka, Japan
- November 14: Tokyo, Japan
- November 6: Tokyo, Japan
- October 8: Tokyo, Japan
- September 25–28: Hiroshima, Japan
- September 18–19: Ito, Japan
- September 15–16: Tokyo, Japan
- September 7–12: Hayama (Shonan), Japan
- August 25–29: Budapest, Hungary
- July 26: Takayama, Japan
- July 21–24: Darmstadt, Germany
- July 17–19: Iwakuni, Japan
- June 15–18: Paris, France
- June 13–14: Matsuyama, Japan
- June 8–11: Kyoto, Japan
- June 4–6: Tokyo, Japan
- May 27–28: Sendai, Japan
- May 23–24: Tokyo, Japan
- April 24: Sendai, Japan
- April 19: Kyoto, Japan
- April 5–6: Grenoble, France
- March 22–23
- March 18–20: Niigata, Japan
- March 15–17: Tokyo, Japan
- March 14: Tokyo, Japan
- March 10: Tokyo, Japan
- March 4: Tokyo, Japan
- February 28–March 1: Tokyo, Japan
- February 17–20: Tokyo, Japan
- January 28–30: Kyoto, Japan
2013
- December 23–24: Tokyo, Japan
- December 20–21: Naha, Japan
- December 16–18: Hong Kong
- December 2–6: Kyoto, Japan
- November 29–30: Sendai, Japan
- November 12: Tokyo, Japan
- November 3–7: Hayama (Shonan), Japan
- October 18: Nagoya, Japan
- September 26–27: Matsuyama, Japan
- September 24–25: Karuizawa, Japan
- September 17–19: Tokyo, Japan
- September 16–17: Nasu, Japan
- September 13–15: Shibukawa (Ikaho), Japan
- September 4–6: Tottori, Japan
- September 3: Tottori, Japan
- August 16–17: Toronto, ON, Canada
- August 5–10: Waterloo, ON, Canada
- August 1–2: Kyoto, Japan
- July 22–23: Kyoto, Japan
- July 16–18: Fukuoka, Japan
- July 8–10: Nancy, France
- July 1–5: Milan, Italy
- June 26–30: Tregynon, Wales, UK
- June 24: Nara, Japan
- June 13–14: Kyoto, Japan
- May 17–18: Otaru, Japan
- May 16: Sapporo, Japan
- May 13–15: Tokyo, Japan
- April 24: Kobe, Japan
- April 19–21: Matsushima, Japan
- April 12–14: Shibukawa, Japan
- March 23–24
- March 21–22: Kyoto, Japan
- March 18, 2013: Gifu, Japan
- March 14–17: Tokyo, Japan
- March 19–20: Gifu, Japan
- March 1, 2013: Chofu, Japan
- February 21: Tokyo, Japan
- February 18–20: Tokyo, Japan
- January 28–30: Kyoto, Japan
- January 7–12: Darmstadt, Germany
2012
- December 19–21: Taipei, Taiwan
- December 10: Fukuoka, Japan
- December 8: Kyoto, Japan
- November 16–December 3: Toronto, ON, Canada
- November 9–10: College Park, MD, USA
- October 24–November 8: New Brunswick, NJ, USA
- October 20–23: New Brunswick, NJ, USA
- September 29–October 18: Toronto, ON, Canada
- September 24–26: Atami, Japan
- September 19–21: Shibukawa, Japan
- September 18–19: Tokyo, Japan
- September 12–14: Kyoto, Japan
- September 6–7: Tokyo, Japan
- September 4–6: Koganei, Japan
- September 3: Koganei, Japan
- August 31–September 1: Shibukawa, Japan
- July 17–19: Miyazu, Japan
- July 10–11: Tokyo, Japan
- June 24–27: Cambridge, UK
- June 21: Sapporo, Japan
- June 11–13: Tokyo, Japan
- May 29–June 2: Trier, Germany
- May 14: Matsuyama, Japan
- April 27: Sakai, Japan
- March 20–22: Okayama, Japan
- March 16: Tokyo, Japan
- March 11–14: Engelberg, Switzerland
- March 6–9: Zürich, Switzerland
- February 24–27: Kyoto, Japan
- January 30–February 1: Kyoto, Japan
- January 16–19: Kyoto, Japan
2011
- December 15–16: Nagoya, Japan
- December 5–8: Yokohama, Japan
- October 20–21: Sendai, Japan
- October 9–14: Wadern (Dagstuhl), Germany
- July 22–September 22: Darmstadt, Germany
- July 19–21: Kosai, Japan
- July 12–14: Hakone, Japan
- May 22–25: Chofu, Japan
- January 17–March 30: Waterloo, ON, Canada
2010
- August 5–12: Tokyo, Japan
- July 29–30: Kyoto, Japan
- July 26–28: Kyoto, Japan
- June 23–27: Mississauga, ON, Canada
- June 13–16: Snowbird, UT, USA
- June 9–12: Boston, MA, USA
- June 5–8: Boston, MA, USA
- March 19–20: Sendai, Japan
- March 18: Sendai, Japan
- February 4–5: Tokyo, Japan
- February 1–3: Kyoto, Japan
- January 27–29: Tokyo, Japan
- January 26: Fukuoka, Japan
- January 25: Fukuoka, Japan
- January 21–22: Takayama, Japan
2009
- September 20–26: Beijing, China
- July 29: Kyoto, Japan
- July 27–28: Tokyo, Japan
- July 22–24: Sendai, Japan
- July 21: Sendai, Japan
- July 15–18: Paris, France
- July 7–13: Paris, France
- June 3–July 6: Zurich, Switzerland
- May 30–June 2: Washington, D.C., USA
- March 16–18: Brussels, Belgium
2008
- October 16–20: Kyoto, Japan
- October 13–14: Osaka, Japan