KH

Katsumi Haga

MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
MM Mitsubishi Metal: 1 patents #45 of 150Top 30%
Overall (All Time): #2,307,315 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5090849 Rotary cutting tool Tatsuo Arai, Takayoshi Saito, Hidehisa Shiratori, Ryoei Hasegawa, Kazuo Iizuka 1992-02-25
5004378 Clamped cutting tool Tatsuo Arai 1991-04-02