TD

Tamenari Doho

MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
Overall (All Time): #2,334,451 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4716687 Method and apparatus for grinding a rotary body Hidehiko Tsukamoto, Kanji Hayashi, Tsunetaka Sumomogi, Masashi Oya, Junichi Ibushi +6 more 1988-01-05
4671017 Method and apparatus for grinding a rotary body Kazuo Ideue, Masashi Oya, Kanji Hayashi, Tsuneo Egawa, Hiroaki Shimazutsu +3 more 1987-06-09