Takemi Naito

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Yanai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of production of cross-fin type heat exchanger
- Patent number 4,494,288
- Issue date Jan 22, 1985
- Hitachi, Ltd.
- Teruhisa Nagai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of applying slip to interior surfaces of a closed tank to pr...
- Patent number 4,273,811
- Issue date Jun 16, 1981
- Hitachi, Ltd.
- Joji Okamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...