Yoshiki Iwata

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Toda, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing hydrorefining catalyst
- Patent number 7,427,578
- Issue date Sep 23, 2008
- Japan Energy Corporation
- Yoshiki Iwata
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for manufacturing hydrorefining catalyst, and metal recovery...
- Patent number 7,335,618
- Issue date Feb 26, 2008
- Japan Energy Corporation
- Hiroki Koyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing hydro-refining catalyst
- Patent number 6,903,048
- Issue date Jun 7, 2005
- Japan Energy Corporation
- Yoshiki Iwata
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing hydrorefining catalyst, and metal recovery...
- Publication number 20060258531
- Publication date Nov 16, 2006
- Hiroki Koyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for producing hydrorefining catalyst
- Publication number 20050266985
- Publication date Dec 1, 2005
- Yoshiki Iwata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for producing hydro-refining catalyst
- Publication number 20040186013
- Publication date Sep 23, 2004
- Yoshiki Iwata
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for manufacturing hydrorefining catalyst, and metal recovery...
- Publication number 20030130118
- Publication date Jul 10, 2003
- Hiroki Koyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...