M. WATANABE & CO., LTD.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing silica particles
- Patent number 7,140,201
- Issue date Nov 28, 2006
- M. Watanabe & Co., Ltd.
- Kunio Sugiyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of and apparatus for washing photomask and washing solution...
- Patent number 7,077,915
- Issue date Jul 18, 2006
- Renesas Technology Corp.
- Yoshikazu Nagamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Decomposition apparatus of organic compound, decomposition method t...
- Patent number 6,888,041
- Issue date May 3, 2005
- Quark Systems Co., Ltd.
- Masaru Nakamura
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Method of and apparatus for washing photomask and washing solution...
- Patent number 6,209,553
- Issue date Apr 3, 2001
- MitsubishiDenki Kabushiki Kaisha
- Yoshikazu Nagamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Decomposition apparatus of organic compound, decomposition method t...
- Patent number 6,194,821
- Issue date Feb 27, 2001
- Quark Systems Co., Ltd.
- Masaru Nakamura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for recovering a lower alcohol from a mixture...
- Patent number 5,138,105
- Issue date Aug 11, 1992
- Ube Industries, Ltd.
- Masao Ninomiya
- C07 - ORGANIC CHEMISTRY

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Patents Applicationslast 30 patents

Information Patent Application
Method of and apparatus for washing photomask and washing solution...
- Publication number 20040079386
- Publication date Apr 29, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Nagamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY