O & K Company, Ltd.

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Nishiyodogawa-Ku, Osaka, 555, JP

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Patents Grantslast 30 patents

Information Patent Grant
Furnace for the heat treatment of scale-covered steel
- Patent number 4,397,451
- Issue date Aug 9, 1983
- Chugai Ro Kogyo Co., Ltd.
- Keizo Kinoshita
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
78960901 - O & K
- Serial number 78960901
- Registration number 3279952
- Filing date Aug 25, 2006
- O & K Company, Ltd.
- 6 - Common metals and their alloys
Information Trademark
74349661 - O&K
- Serial number 74349661
- Registration number 1820985
- Filing date Jan 19, 1993
- O & K Company, Ltd.
- 6 - Common metals and their alloys