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Tohru Koyama
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing semiconductor device having MIM capacitor e...
Patent number
6,838,340
Issue date
Jan 4, 2005
Renesas Technology Corp.
Tomohiro Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Scanning probe microscope
Patent number
6,745,618
Issue date
Jun 8, 2004
Renesas Technology Corp.
Yukari Imai
G01 - MEASURING TESTING
Information
Patent Grant
Failure analysis device and failure analysis method
Patent number
6,678,623
Issue date
Jan 13, 2004
Renesas Technology Corp.
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Grant
Method of and apparatus for analyzing failure
Patent number
6,677,760
Issue date
Jan 13, 2004
Renesas Technology Corp.
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Grant
System LSI chip having a logic part and a memory part
Patent number
6,614,049
Issue date
Sep 2, 2003
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System for analyzing a failure in a semiconductor wafer by calculat...
Patent number
6,009,545
Issue date
Dec 28, 1999
Mitsubishi Denki Kabushiki Kaisha
Toshikazu Tsutsui
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Scanning photoinduced current analyzer capable of detecting photoin...
Patent number
5,952,837
Issue date
Sep 14, 1999
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for analyzing a failure in a semiconductor wafer and meth...
Patent number
5,844,850
Issue date
Dec 1, 1998
Mitsubishi Denki Kabushiki Kaisha
Toshikazu Tsutsui
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of analyzing failure of semiconductor device by using emissi...
Patent number
5,760,892
Issue date
Jun 2, 1998
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Grant
Scanning photoinduced current analyzer capable of detecting photoin...
Patent number
5,708,371
Issue date
Jan 13, 1998
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor device having a gate electrode of polycrystal layer a...
Patent number
5,381,032
Issue date
Jan 10, 1995
Mitsubishi Denki Kabushiki Kaisha
Yoshiko Kokawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor device having a two layered s...
Patent number
5,221,630
Issue date
Jun 22, 1993
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having a two layered structure gate electrode
Patent number
5,177,569
Issue date
Jan 5, 1993
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Failure analyzer
Publication number
20040212380
Publication date
Oct 28, 2004
RENESAS TECHNOLOGY CORP.
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Application
Processing method of semiconductor substrate
Publication number
20040203257
Publication date
Oct 14, 2004
Renesas Technology Corp.
Takeshi Yoshida
G02 - OPTICS
Information
Patent Application
Semiconductor device and method for machining a semiconductor subst...
Publication number
20040188789
Publication date
Sep 30, 2004
Renesas Technology Corp.
Tohru Koyama
G02 - OPTICS
Information
Patent Application
Method of manufacturing semiconductor device having MIM capacitor e...
Publication number
20040171239
Publication date
Sep 2, 2004
Renesas Technology Corp.
Tomohiro Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Failure analysis method
Publication number
20040103353
Publication date
May 27, 2004
Renesas Technology Corp.
Tohru Koyama
G01 - MEASURING TESTING
Information
Patent Application
Scanning probe microscope
Publication number
20030115939
Publication date
Jun 26, 2003
Mitsubishi Denki Kabushiki Kaisha
Yukari Imai
G01 - MEASURING TESTING
Information
Patent Application
Failure analysis device and failure analysis method
Publication number
20020111759
Publication date
Aug 15, 2002
Mitsubishi Denki Kabushiki Kaisha
Tohru Koyama
G01 - MEASURING TESTING