Katsuyuki Shirakawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crucible-type continuous melting furnace
- Patent number 7,858,022
- Issue date Dec 28, 2010
- Nippon Crucible Co., Ltd.
- Tamio Okada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
VALUABLE METAL RECOVERY APPARATUS
- Publication number 20140151943
- Publication date Jun 5, 2014
- NIPPON CRUCIBLE CO., LTD.
- Tamio Okada
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
Crucible-Type Continuous Melting Furnance
- Publication number 20090130619
- Publication date May 21, 2009
- NIPPON CRUCIBLE CO., LTD.
- Tamio Okada
- F27 - FURNACES KILNS OVENS RETORTS