KM

Keigo Mikami

MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
MC Mitsubishi Mining & Cement Co.: 2 patents #30 of 110Top 30%
MK Mitsubishi Jukogyo K.K.: 1 patents #7 of 59Top 15%
Overall (All Time): #1,675,859 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4669976 Calcining apparatus for powdery materials Hirofumi Hatano, Masayasu Yamazaki, Atsushi Sasaki, Kiyomichi Taoda, Mitsuharu Murakami 1987-06-02
4623311 Calcining apparatus for powdery materials Hirofumi Hatano, Masayasu Yamazaki, Atsushi Sasaki 1986-11-18
4548580 Calcining apparatus for powdery materials Hirofumi Hatano, Masayasu Yamazaki, Atsushi Sasaki, Kiyomichi Taoda, Mitsuharu Murakami 1985-10-22