Yuzuru Yanagisawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing hydrogen chloride
- Patent number 6,540,973
- Issue date Apr 1, 2003
- Toyo Engineering Corporation
- Masakazu Sasaki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for packing catalyst and device therefor
- Patent number 6,467,513
- Issue date Oct 22, 2002
- Toyo Engineering Corporation
- Hideaki Yanaru
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for granulation and granulator
- Patent number 6,203,730
- Issue date Mar 20, 2001
- Toyo Engineering Corporation
- Tetsuzo Honda
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process for concentrating aqueous urea solutions
- Patent number 4,316,767
- Issue date Feb 23, 1982
- Toyo Enginnering Corporation
- Toyoyasu Saida
- C07 - ORGANIC CHEMISTRY