KH

Katsuyuki Hirai

MC Mitsui Mining & Smelting Co.: 2 patents #281 of 838Top 35%
FC Fuji Chemical Industries Co.: 1 patents #10 of 55Top 20%
Overall (All Time): #1,441,730 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11179333 Emulsion composition Yuichiro Yamagishi, Nobuko Hongo, Jiro Takahashi, Rina Sakaguchi, Akitoshi Kitamura 2021-11-23
5196716 Method and apparatus for measuring internal defects for position and depth Kazuo Moriya, Hideo Wada 1993-03-23
5077475 Method for quantitative evaluation method of optical absorption image for determination of resistivity dispersion Kazuo Moriya, Mikio Kimura 1991-12-31