Akiyoshi Kojima

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spirally woven fabric, and prepreg and rotary body each using said...
- Patent number 5,702,795
- Issue date Dec 30, 1997
- Nippon Oil Co., Ltd.
- Takayuki Matsumoto
- D03 - WEAVING

Patents Applicationslast 30 patents

Information Patent Application
Low-temperature burn preventing electric floor heating system, elec...
- Publication number 20040175163
- Publication date Sep 9, 2004
- NIPPON OIL CORPORATION
- Kazuo Fukai
- F24 - HEATING RANGES VENTILATING