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Hiroyuki Chibahara
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrical contact and vacuum switch tube comprising electrical con...
Patent number
11,967,471
Issue date
Apr 23, 2024
Mitsubishi Electric Corporation
Yasutomo Tanihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact material, method of manufacturing same, and vacuum valve
Patent number
11,462,367
Issue date
Oct 4, 2022
Mitsubishi Electric Corporation
Hiroyuki Chibahara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Electric contact and vacuum interrupter using same
Patent number
11,066,731
Issue date
Jul 20, 2021
Mitsubishi Electric Corporation
Yasutomo Tanihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact member, method for producing the same, and vacuum interrupter
Patent number
10,629,397
Issue date
Apr 21, 2020
Mitsubishi Electric Corporation
Hiroyuki Chibahara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
8,829,679
Issue date
Sep 9, 2014
Renesas Electronics Corporation
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
8,232,650
Issue date
Jul 31, 2012
Renesas Electronics Corporation
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
7,998,839
Issue date
Aug 16, 2011
Renesas Electronics Corporation
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing a magnetic memory device and magnetic memo...
Patent number
7,906,346
Issue date
Mar 15, 2011
Renesas Electronics Corporation
Shuichi Ueno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
7,759,798
Issue date
Jul 20, 2010
Renesas Technology Corp.
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having an improved interlayer conductor connec...
Patent number
6,727,170
Issue date
Apr 27, 2004
Renesas Technology Corp.
Yoshifumi Takata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device having a monitor pat...
Patent number
6,602,725
Issue date
Aug 5, 2003
Mitsubishi Denki Kabushiki Kaisha
Yuichi Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device, and a semiconductor...
Patent number
6,383,910
Issue date
May 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Masakazu Okada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device having a monitor pat...
Patent number
6,303,944
Issue date
Oct 16, 2001
Mitsubishi Denki Kabushiki Kaisha
Yuichi Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having an improved interlayer conductor connec...
Patent number
6,278,187
Issue date
Aug 21, 2001
Mitsubishi Denki Kabushiki Kaisha
Yoshifumi Takata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICAL CONTACT AND VACUUM SWITCH TUBE COMPRISING ELECTRICAL CON...
Publication number
20220254577
Publication date
Aug 11, 2022
Mitsubishi Electric Corporation
Yasutomo TANIHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRIC CONTACT AND VACUUM INTERRUPTER USING SAME
Publication number
20200277688
Publication date
Sep 3, 2020
MITSUBISHI ELECTRIC CORPORATION
Yasutomo TANIHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CONTACT MATERIAL, METHOD OF MANUFACTURING SAME, AND VACUUM VALVE
Publication number
20190378664
Publication date
Dec 12, 2019
MITSUBISHI ELECTRIC CORPORATION
Hiroyuki CHIBAHARA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CONTACT MEMBER, METHOD FOR PRODUCING THE SAME, AND VACUUM INTERRUPTER
Publication number
20190051475
Publication date
Feb 14, 2019
Mitsubishi Electric Corporation
Hiroyuki CHIBAHARA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120267793
Publication date
Oct 25, 2012
RENESAS ELECTRONICS CORPORATION
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20110266657
Publication date
Nov 3, 2011
RENESAS ELECTRONICS CORPORATION
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING A MAGNETIC MEMORY DEVICE AND MAGNETIC MEMO...
Publication number
20110121419
Publication date
May 26, 2011
RENESAS ELECTRONICS CORPORATION
Shuichi UENO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20100261334
Publication date
Oct 14, 2010
Renesas Technology Corp.
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20090294912
Publication date
Dec 3, 2009
RENESAS TECHNOLOGY CORP.
Hiroyuki Chibahara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MANUFACTURING A MAGNETIC MEMORY DEVICE AND MAGNETIC MEMO...
Publication number
20090039451
Publication date
Feb 12, 2009
Shuichi UENO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing a semiconductor device, and a semiconductor...
Publication number
20020016059
Publication date
Feb 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Masakazu Okada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing a semiconductor device having a monitor pat...
Publication number
20020014682
Publication date
Feb 7, 2002
Mitsubishi Denki Kabushiki Kaisha
Yuichi Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device having an improved interlayer conductor connec...
Publication number
20010050440
Publication date
Dec 13, 2001
Mitsubishi Denki Kabushiki Kaisha
Yoshifumi Takata
H01 - BASIC ELECTRIC ELEMENTS