Koji Toda

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Hiroshima, JA

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic particle powder of acicular ferric oxide used for magnetic...
- Patent number 4,033,891
- Issue date Jul 5, 1977
- Toda Kogyo Corporation
- Goro Matsui
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for producing iron oxide products from waste liquids contai...
- Patent number 3,970,738
- Issue date Jul 20, 1976
- Toda Kogyo Corporation
- Goro Matsui
- B82 - NANO-TECHNOLOGY