Yoshitaka Ohtsu

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 6,426,533
- Issue date Jul 30, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Takayuki Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a semiconductor device containing a BiCMOS...
- Patent number 6,281,060
- Issue date Aug 28, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Takayuki Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device having bipolar transis...
- Patent number 6,027,962
- Issue date Feb 22, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Takayuki Igarashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device and manufacturing method thereof
- Publication number 20010023978
- Publication date Sep 27, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Takayuki Igarashi
- H01 - BASIC ELECTRIC ELEMENTS