Youji Kawamura

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Tsukumi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Straightening instrument and cyclone
- Patent number 5,180,257
- Issue date Jan 19, 1993
- Onoda Cement Co. Ltd.
- Ryousuke Narishima
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus for controlling the operation of a grinding system
- Patent number 4,691,869
- Issue date Sep 8, 1987
- Onoda Cement Co., Ltd.
- Eiichi Onuma
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...