K. Hirokawa

A slack-based measure of efficiency in context-dependent data envelopment analysis

Hiroshi Morita, K. Hirokawa, Joe Zhu · Omega · 2004 · 146 citations

Business, Business Economics, Economics +12

Quantitative analysis by X-ray photoelectron spectroscopy without reference samples

Maria F. Ebel, H. Ebel, K. Hirokawa · Spectrochimica Acta Part B Atomic Spectroscopy · 1982 · 46 citations

Natural Sciences, Chemistry, Materials Science +6

X-ray photoelectron spectroscopic observation of nitrogen-containing gases adsorbed at high pressures on some transition metals

Fuminori Honda, K. Hirokawa · Journal of Electron Spectroscopy and Related Phenomena · 1977 · 35 citations

Natural Sciences, Chemistry, Materials Science +10

Depth analysis of metal coatings by glow discharge spectroscopy with emphasis on the interface problem

W. B. Teo, K. Hirokawa · Surface and Interface Analysis · 1988 · 32 citations

Natural Sciences, Materials Engineering, Materials Science +17

Behaviour of water containing materials in the high vacuum of an X‐ray photoelectron spectrometer

K. Hirokawa, Yûetsu DANZAKI · Surface and Interface Analysis · 1982 · 29 citations

Natural Sciences, Chemistry, Materials Science +9