Yoshitaka Tomiyama

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Titanium-and copper-containing carbon composite material and proces...
- Patent number 6,183,667
- Issue date Feb 6, 2001
- Railway Technical Research Institute
- Shunichi Kubo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wet friction contact device
- Patent number 5,964,334
- Issue date Oct 12, 1999
- Toyota Jidosha Kabushiki Kaisha
- Koji Shimoda
- B22 - CASTING POWDER METALLURGY