Otto Corporation

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of repairing coke oven
- Patent number 6,539,602
- Issue date Apr 1, 2003
- Kawasaki Steel Corporation
- Tatsuya Ozawa
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Heating apparatus including plurality of regenerative burner units...
- Patent number 5,520,534
- Issue date May 28, 1996
- Kawasaki Seitetsu Kabushiki Kaisha
- Tsuguhiko Nakagawa
- F28 - HEAT EXCHANGE IN GENERAL