Kei Yamashita

Evaluation of SCCVII tumor cell survival in clamped and non-clamped solid tumors exposed to carbon-ion beams in comparison to X-rays

Ryoichi Hirayama, Akiko Uzawa, Nobuhiro Takase et al. · Mutation Research/Genetic Toxicology and Environmental Mutagenesis · 2013 · 36 citations · Full text

Medicine, Oncology, Radiation Oncology +16

Determination of the relative biological effectiveness and oxygen enhancement ratio for micronuclei formation using high-LET radiation in solid tumor cells: An in vitro and in vivo study

Ryoichi Hirayama, Akiko Uzawa, Maki Obara et al. · Mutation Research/Genetic Toxicology and Environmental Mutagenesis · 2015 · 34 citations · Full text

Medicine, Oncology, Radiation Oncology +17

A 4-bit×4-bit multiplier and 3-bit counter in Josephson threshold logic

Yuji Hatano, Yutaka Harada, Kei Yamashita et al. · IEEE Journal of Solid-State Circuits · 1987 · 14 citations

Engineering, Computer Engineering, Electrical Engineering +13

Involvement of Transglutaminase in the Receptor-Mediated Endocytosis of Mouse Peritoneal Macrophages.

Shinya Abe, Kei Yamashita, Hiroyuki Kohno et al. · Biological and Pharmaceutical Bulletin · 2000 · 14 citations · Full text

Life Sciences, Biochemistry, Cell Biology +7