Takashi Yamaguchi

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Kitakyishu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-purity quartz powder, process for producing the same, and glas...
- Patent number 7,427,387
- Issue date Sep 23, 2008
- Mitsubishi Chemical Corporation
- Yoshio Katsuro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Silica gel
- Patent number 7,074,376
- Issue date Jul 11, 2006
- Mitsubishi Chemical Corporation
- Yoshio Katsuro
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High-purity quartz powder, process for producing the same, and glas...
- Patent number 7,063,826
- Issue date Jun 20, 2006
- Mitsubishi Chemical Corporation
- Yoshio Katsuro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Silica gel
- Patent number 6,838,068
- Issue date Jan 4, 2005
- Mitsubishi Chemical Corporation
- Yoshio Katsuro
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing synthetic quartz glass powder
- Patent number 6,110,852
- Issue date Aug 29, 2000
- Mitsubishi Chemical Corporation
- Yoshio Katsuro
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
High-purity quartz powder, process for producing the same, and glas...
- Publication number 20060183624
- Publication date Aug 17, 2006
- MITSUBISHI CHEMICAL CORPORATION
- Yoshio Katsuro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Silica gel
- Publication number 20050019243
- Publication date Jan 27, 2005
- MITSUBISHI CHEMICAL CORPORATION
- Yoshio Katsuro
- C01 - INORGANIC CHEMISTRY
Information Patent Application
High-purity quartz powder, process for producing the same, and glas...
- Publication number 20040161375
- Publication date Aug 19, 2004
- MITSUBISHI CHEMICAL CORPORATION
- Yoshio Katsuro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Silica gel
- Publication number 20020018743
- Publication date Feb 14, 2002
- MITSUBISHI CHEMICAL CORPORATION
- Yoshio Katsuro
- C01 - INORGANIC CHEMISTRY