Kazuto Kawashima

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophilized membrane of porous hydrophobic material and process f...
- Patent number 4,675,213
- Issue date Jun 23, 1987
- Mitsubishi Rayon Co., Ltd.
- Hisayoshi Yamamori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrophilized membrane of porous hydrophobic material and process f...
- Patent number 4,663,227
- Issue date May 5, 1987
- Mitsubishi Rayon Co., Ltd.
- Hisayoshi Yamamori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hollow-fiber filtering module and water purification device utilizi...
- Patent number 4,636,307
- Issue date Jan 13, 1987
- Mitsubishi Rayon Co., Ltd.
- Michio Inoue
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE