Hiroyuki Yanagihara

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Patents Grantslast 30 patents

Information Patent Grant
Reinforced filter element
- Patent number 5,558,689
- Issue date Sep 24, 1996
- Nittetsu Mining Co., Ltd.
- Hiroyuki Yanagihara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for continuously burning particles in air stre...
- Patent number 4,427,372
- Issue date Jan 24, 1984
- Nittetsu Mining Co., Ltd.
- Morimasa Takesue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES