Takeyuki Maegawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wire electric discharge machining method, semiconductor wafer manuf...
- Patent number 8,138,442
- Issue date Mar 20, 2012
- Mitsubishi Electric Corporation
- Tatsushi Sato
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal electrode and bonding method using the metal electrode
- Patent number 7,078,330
- Issue date Jul 18, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akira Maeda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Waveguide grating device and method of controlling Bragg wavelength...
- Patent number 6,522,809
- Issue date Feb 18, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Masakazu Takabayashi
- G02 - OPTICS
Information Patent Grant
Cathode materials, process for the preparation thereof and secondar...
- Patent number 6,383,235
- Issue date May 7, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Takeyuki Maegawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing an impregnation type cathode
- Patent number 5,417,600
- Issue date May 23, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Takeyuki Maegawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
WIRE ELECTRIC DISCHARGE MACHINING METHOD, SEMICONDUCTOR WAFER MANUF...
- Publication number 20090212026
- Publication date Aug 27, 2009
- Mitsubishi Electric Corporation
- Tatsushi Sato
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Metal electrode and bonding method using the metal electrode
- Publication number 20040175917
- Publication date Sep 9, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Akira Maeda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR