TK

Tsugio Koya

MK Mitsubishi Kinzoku: 1 patents #108 of 280Top 40%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
MM Mitsubishi Metal: 1 patents #45 of 150Top 30%
Overall (All Time): #1,662,315 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5143355 Apparatus for manufacturing oxygen-free copper Takuro Iwamura, Izumi Sukekawa, Hideru Hagiwara, Haruhiko Asao, Toshiaki Shigematsu +1 more 1992-09-01
5037471 Method for manufacturing oxygen-free copper Takuro Iwamura, Izumi Sukekawa, Hideru Hagiwara, Haruhiko Asao, Toshiaki Shigematsu +1 more 1991-08-06
4901550 Manufacturing method of extra fine wire Masato Koide, Takuro Iwamura 1990-02-20