Chikao Yokokawa

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Asphalt paving mix formed of recycled asphalt concrete for paving a...
- Patent number 6,139,612
- Issue date Oct 31, 2000
- Hikarigiken Co., Ltd.
- Terutaka Kitagawa
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Coal-water mixture using upgraded low-rank coal and process for pro...
- Patent number 5,290,324
- Issue date Mar 1, 1994
- Mitsui Mining Company, Limited
- Chikao Yokokawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...