Kyodo Oxygen Co., Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Ferromagnetic fine particles of .epsilon. iron carbide and method f...
- Patent number 5,552,073
- Issue date Sep 3, 1996
- Seisan Kaihatsu Kagaku Kenkyusho
- Yasushi Tomiku
- C21 - METALLURGY OF IRON
Information Patent Grant
Welding method for aluminum alloys
- Patent number 5,256,856
- Issue date Oct 26, 1993
- Kyodo Oxygen Co., Ltd.
- Hideaki Takano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Controlled process for xenon concentration
- Patent number 5,186,007
- Issue date Feb 16, 1993
- Kyodo Oxygen Co., Ltd.
- Hideaki Takano
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Arc welding method and apparatus
- Patent number 5,124,527
- Issue date Jun 23, 1992
- Kyodo Oxygen Co., Ltd.
- Hideaki Takano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for producing xenon
- Patent number 5,039,500
- Issue date Aug 13, 1991
- Kyodo Oxygen Co., Ltd.
- Masami Shino
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Production process of xenon
- Patent number 4,874,592
- Issue date Oct 17, 1989
- Kyodo Oxygen Co., Ltd.
- Masami Shino
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...