Ryoichi Shimizugawa

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Ichikawashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrolytic manganese dioxide and method of manufacturing the same
- Patent number 5,938,910
- Issue date Aug 17, 1999
- Japan Metals & Chemicals Co., Ltd.
- Hisao Takehara
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Manganese fertilizer
- Patent number 5,749,935
- Issue date May 12, 1998
- Japan Metals & Chemicals Co., Ltd.
- Hisao Takehara
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Electrolytic manganese dioxide and method of manufacturing the same
- Patent number 5,746,902
- Issue date May 5, 1998
- Japan Metals & Chemicals Co., Ltd.
- Hisao Takehara
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for manufacturing electrolytic manganese oxide
- Patent number 4,997,531
- Issue date Mar 5, 1991
- Japan Metals & Chemical Co. Inc.
- Masaki Yoshio
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR