DC to 40-GHz broad-band amplifiers using AlGaAs/GaAs HBT's. - Yasuhiko Kuriyama; Junko Akagi; Tohru Sugiyama; Sadato Hongo; Kunio Tsuda; Norio Iizuka; Masao Obara (IEEE J. Solid State Circuits, 1995)

The display profiling method with eyes and colormatching accuracy in soft proofing. - Tohru Sugiyama; Yoshiaki Kudo (Color Imaging: Processing, Hardcopy, and Applications, 2005)

The calibration accuracy of display white point by visual calibrator under various illuminations. - Tohru Sugiyama; Yoshiaki Kudo (Color Imaging: Processing, Hardcopy, and Applications, 2006)

Improving the Color Match between Monitor and Hardcopy. - Tohru Sugiyama; Yoshiaki Kudo; Youichi Takayama (CIC, 2007)

Quantitative evaluation of color difference between actual specimens and whole-slide imaging-scanned images calibrated with commercial color charts. - Yusuke Murayama; Tohru Sugiyama; Yoshihiko Ogino; Hiroki Furuta; Takaaki Kambara; Koi Kamisono; Tokiya Abe; Katsura Emoto; Akinori Hashiguchi; Yoichi Kajimura; Michiie Sakamoto (Digital and Computational Pathology, 2022)