Inventor: Kanaya, Takeshi
Inventor: Takeshita, Daigaku, Yamada, Saori
Inventor: Murakami, Yasuyuki
Inventor: Murakami, Yasuyuki, Kanaya, Takeshi
Inventor: Sakazaki, Ushio
Inventor: Sakazaki, Ushio
Inventor: Kanaya, Takeshi, Murakami, Yasuyuki
Inventor: Kanaya, Takeshi, Murakami, Yasuyuki