HH

Hirofumi Hatano

MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
MC Mitsubishi Mining & Cement Co.: 4 patents #7 of 110Top 7%
MK Mitsubishi Jukogyo K.K.: 1 patents #7 of 59Top 15%
Overall (All Time): #1,064,594 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4669976 Calcining apparatus for powdery materials Masayasu Yamazaki, Atsushi Sasaki, Keigo Mikami, Kiyomichi Taoda, Mitsuharu Murakami 1987-06-02
4623311 Calcining apparatus for powdery materials Masayasu Yamazaki, Atsushi Sasaki, Keigo Mikami 1986-11-18
4600417 Cyclone Atsushi Sasaki, Hiromi Ohsaka, Mitsuharu Murakami, Masahiro Harada, Yoji Hirota 1986-07-15
4548580 Calcining apparatus for powdery materials Masayasu Yamazaki, Atsushi Sasaki, Keigo Mikami, Kiyomichi Taoda, Mitsuharu Murakami 1985-10-22
4519822 Cyclone Yoji Hirota 1985-05-28