©
hachiya.kazuhiko: 1993_interdiscomm
©
hachiya.kazuhiko: 1998_postpet
©
hachiya.kazuhiko: PostPetV3
©
hachiya.kazuhiko: 1999_airboard_beta
©
hachiya.kazuhiko: 2002_centrifuge_tokyo
©
hachiya.kazuhiko: 2011おなかがいたくなった原発くん
©
hachiya.kazuhiko: 2006_OpenSkyM-02
©
hachiya.kazuhiko: 2014_OpenSkyM-02J