2004
Chief: Kaori Honda, Tomonori Kondo
Concept: Hideaki Ogawa, Tomonori Kondo
Motion Graphics: Kaori Honda, Tomonori Kondo, Hideaki Ogawa
Device Design: Hideaki Ogawa, Emiko Ogawa, Yoko Minagawa
Installation: Hideaki Ogawa, Tomonori Kondo, Kaori Honda, Emiko Ogawa
Prototype Design: Sakura Toyabe, Yuichi Tamagawa, Satoshi Onodera
Art Direction: Hideaki Ogawa
- h.o solo exhibition 2010 -SENSE THE INVISIBLE-, Ars Electroica Center, Linz / Austria, Jul. 30 – Sep. 12, 2010
- Poetry of Motion, VolksWagen Automobil Forum Unter den Linden, Berlin / Germany, Jun. 25 – Sep. 5, 2010
- Ars Electronica Center 2008, Linz / Austria, Jan. 1 – Oct. 15, 2008
- FUNKY PIXELS, net.culture.space/MQ, Vienna / Austria, Dec. 14 – Jan. 9, 2007
- Digital Canvas – Art for Screens, net.culture.space/MQ, Vienna / Austria, Nov. 14 – Dec. 9 2007
- Ars Electronica – Digital Art & Technology, Singapore Science Center, Singapore, Nov. 10 – Jan. 1, 2007
- The World is My Imagination, CUBE, Manchester / United Kingdom, Sep. 6 – Nov. 3, 2007
- Ars Electronica Center 2007, Linz / Austria, May 1 – Dec. 31, 2007
- Bites & Bodies, Regensburg / Germany, Sep. 22 – Oct. 15, 2006
- Ars Electronica Center 2006, Linz / Austria , Aug. 31 – Sep. 5, 2006
- Laval Virtual 2006, Laval / France, Apr. 26 – 30, 2005
- Ars Electronica Center 2005, Linz / Austria, Sep. 1 – Aug. 31, 2005
- h.o solo exhibition 2004, LA GALERIE DES NAKAMURA, Tokyo / Japan, Mar. 9 – Apr. 2, 2004