Kiyoshige Hayashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of a petroleum pitch or coke of a high p...
- Patent number 4,312,742
- Issue date Jan 26, 1982
- Hi-Max Ltd.
- Kiyoshige Hayashi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Production of high-density carbon materials
- Patent number 4,202,868
- Issue date May 13, 1980
- Maruzen Petrochemical Co., Ltd.
- Kiyoshige Hayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the production of petroleum coke
- Patent number 4,108,798
- Issue date Aug 22, 1978
- The Lummus Company
- Morgan C. Sze
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...