Masaki Okajima

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
High purity silicon production system and production method
- Patent number 8,038,973
- Issue date Oct 18, 2011
- Nippon Steel Materials Co., Ltd.
- Nobuaki Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of refining Si
- Patent number 7,662,356
- Issue date Feb 16, 2010
- Nippon Steel Materials Co., Ltd.
- Shinji Tokumaru
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for production of silicon
- Patent number 7,455,822
- Issue date Nov 25, 2008
- Nippon Steel Corporation
- Jiro Kondo
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
High Purity Silicon Production System and Production Method
- Publication number 20090155158
- Publication date Jun 18, 2009
- NIPPON STEEL MATERIALS COL. LTD.
- Nobuaki Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for Producing High Purity Silicon
- Publication number 20080311020
- Publication date Dec 18, 2008
- Nippon Steel Materials Co., Ltd.
- Nobuaki Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for Producing High Purity Silicon
- Publication number 20080274031
- Publication date Nov 6, 2008
- Nippon Steel Materials Co., Ltd.
- Nobuaki Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method For Producing High Purity Silicon
- Publication number 20080247936
- Publication date Oct 9, 2008
- Nippon Steel Materials Co., Ltd.
- Nobuaki Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method of Refining Si
- Publication number 20080145294
- Publication date Jun 19, 2008
- Shinji Tokumaru
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for producing si
- Publication number 20040247512
- Publication date Dec 9, 2004
- Jiro Kondo
- C01 - INORGANIC CHEMISTRY