Hiroshi Yusa

Toners, two-component developer, heat fixing, image recording method and apparatus component

Satoshi Yoshida, Takashige Kasuya, Hiroshi Yusa, 2000 .

Developers for developing electrostatic images, imaging methods, electrographic apparatus, device unit and facsimile equipment

Masayoshi Kato, Tsutomu Kukimoto, Hiroshi Yusa, 1991 .

A magnetic toner, magnetic developer and its use in a device unit mapping method apparatus and facsimile apparatus

Masayoshi Kato, Takakuni Kobori, Hiroshi Yusa, 1992 .

Toner image forming apparatus, element of an apparatus and facsimile apparatus

Hiroshi Yusa, Koichi Tomiyama, Tsuyoshi Takiguchi, 1990 .

Toner for developing electrostatic images and image generation method

Kazuo Maruyama, Hiroshi Yusa, Yuki Karaki, 1997 .