Toshio Kumagai

Database for photographs and slides at the National Museum of Ethnology.

Takashi Nakagawa, Toshio Kumagai, 1991 .

Online book order request in the University of Tsukuba Library.

Akira Yoshida, Toshio Kumagai, Yoshihiko Tsukada, 1988 .

Cover an inkjet printer

Toshio Kumagai, Tsuyoshi Tomii, Seiji Mochizuki, 1992 .

RESEARCH ON CHANGES IN MATERIAL CHARACTERISTICS OF EXISTING STEEL SUPER-TALL-CHIMNEY DUE TO CORROSION(Structures)

Yasuhiro Dosho, Daisuke Ura, Toshio Kumagai, 2007 .

thereof on request operating ink jet printhead and method of operating

Shinji Yasukawa, Toshio Kumagai, Fujio Akahane, 1992 .

Hole flanging with ironing of two-ply thick sheet metals

Toshio Kumagai, Yonggang Meng, Hiroyuki Saiki, 1999 .