Takaaki Iwasaki

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Hokkaido, JP

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of ferrite from used dry cells
- Patent number 5,707,541
- Issue date Jan 13, 1998
- Nomura Kohsan Co., Ltd.
- Takashi Kanemaru
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Environmentally acceptable method of disposing of an inflator from...
- Patent number 5,578,110
- Issue date Nov 26, 1996
- Daicel Chemical Industries, Ltd.
- Yuzaburo Nakasato
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for recycling used-up dry cells, and ferrite production pro...
- Patent number 5,498,360
- Issue date Mar 12, 1996
- Nomura Kohsan Co., Ltd.
- Takashi Kanemaru
- H01 - BASIC ELECTRIC ELEMENTS