Kiyotaka Suzuki

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing carbonaceous material carrying ultrafinely di...
- Patent number 6,194,344
- Issue date Feb 27, 2001
- Maruzen Petrochemical Co., LTD
- Masatoshi Tsuchitani
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for manufacturing fine particles of pitch with a high softe...
- Patent number 5,736,030
- Issue date Apr 7, 1998
- Maruzen Petrochemical Co., Ltd.
- Masatoshi Tsuchitani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for preparing pitches
- Patent number 5,182,011
- Issue date Jan 26, 1993
- Maruzen Petrochemical Co., Ltd.
- Masatoshi Tsuchitani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for preparing pitches
- Patent number 5,091,072
- Issue date Feb 25, 1992
- Maruzen Petrochemical Co., Ltd.
- Masatoshi Tsuchitani
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for producing pitch for the manufacture of high-performance...
- Patent number 4,925,547
- Issue date May 15, 1990
- Maruzen Petrochemical Co., Ltd.
- Masatoshi Tsuchitani
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING