Kumakazu Okita

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing self-restoring over-current protective device...
- Patent number 4,880,577
- Issue date Nov 14, 1989
- Daito Communication Apparatus Co., Ltd.
- Kumakazu Okita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...