Nobutoshi Chikazumi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Special solvent column for GPC and GPC method using the same
- Patent number 4,353,801
- Issue date Oct 12, 1982
- Hitachi Chemical Company, Ltd.
- Yoshiyuki Mukoyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing granular polymer having uniform fine particle...
- Patent number 4,323,664
- Issue date Apr 6, 1982
- Hitachi Chemical Company, Ltd.
- Yoshiyuki Mukoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...