NK

Nobuo Kiyama

MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
TE Taiheiyo Engineering: 1 patents #6 of 13Top 50%
Overall (All Time): #1,669,544 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4799836 Method and apparatus for machining the side edge surface of a web plate Shingo Kurisu, Shunji Omori, Hiroyuki Takenaka, Tsuneo Egawa, Takuro Mitsunaga 1989-01-24
4733998 Method and apparatus for machining the side edge surface of a web plate Shingo Kurisu, Shunji Omori, Hiroyuki Takenaka, Tsuneo Egawa, Takuro Mitsunaga 1988-03-29
4189257 Sheltering apparatus for use in long wall mining Shigeo Nakajima, Masao Tanaka, Ken Takahashi, Takao Kanno 1980-02-19