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Chie SUGAMA
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Chiyoda-ku, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing bonded object and semiconductor device and cop...
Patent number
11,890,681
Issue date
Feb 6, 2024
Resonac Corporation
Yuki Kawana
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Member connection method
Patent number
11,887,960
Issue date
Jan 30, 2024
Resonac Corporation
Motohiro Negishi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for manufacturing thermoelectric conversion module, thermoel...
Patent number
11,575,076
Issue date
Feb 7, 2023
SHOWA DENKO MATERIALS CO., LTD.
Motohiro Negishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper paste for pressureless bonding, bonded body and semiconducto...
Patent number
11,532,588
Issue date
Dec 20, 2022
SHOWA DENKO MATERIALS CO., LTD.
Hideo Nakako
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing joined body, and joining material
Patent number
11,483,936
Issue date
Oct 25, 2022
SHOWA DENKO MATERIALS CO., LTD.
Hideo Nakako
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal paste for joints, assembly, production method for assembly, s...
Patent number
11,462,502
Issue date
Oct 4, 2022
SHOWA DENKO MATERIALS CO., LTD.
Yuki Kawana
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal paste for joints, assembly, production method for assembly, s...
Patent number
11,370,066
Issue date
Jun 28, 2022
SHOWA DENKO MATERIALS CO., LTD.
Yuki Kawana
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Copper paste for joining, method for manufacturing joined body, and...
Patent number
11,040,416
Issue date
Jun 22, 2021
SHOWA DENKO MATERIALS CO., LTD.
Dai Ishikawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Copper paste for pressureless bonding, bonded body and semiconducto...
Patent number
10,930,612
Issue date
Feb 23, 2021
SHOWA DENKO MATERIALS CO., LTD.
Hideo Nakako
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copper paste for joining, method for manufacturing joined body, and...
Patent number
10,748,865
Issue date
Aug 18, 2020
Hitachi Chemical Company, Ltd.
Yuki Kawana
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Assembly and semiconductor device
Patent number
10,566,304
Issue date
Feb 18, 2020
Hitachi Chemical Company, Ltd.
Hideo Nakako
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Copper paste for joining, method for producing joined body, and met...
Patent number
10,363,608
Issue date
Jul 30, 2019
Hitachi Chemical Company, Ltd.
Yuki Kawana
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
COPPER PASTE FOR JOINING, METHOD FOR MANUFACTURING JOINED BODY, AND...
Publication number
20220371087
Publication date
Nov 24, 2022
Motohiro NEGISHI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PRODUCING BONDED OBJECT AND SEMICONDUCTOR DEVICE AND COP...
Publication number
20220028824
Publication date
Jan 27, 2022
Showa Denko Materials Co., Ltd.
Yuki KAWANA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MEMBER CONNECTION METHOD
Publication number
20210351157
Publication date
Nov 11, 2021
Hitachi Chemical Company, Ltd.
Motohiro NEGISHI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COPPER PASTE FOR PRESSURELESS BONDING, BONDED BODY AND SEMICONDUCTO...
Publication number
20210143121
Publication date
May 13, 2021
Hideo NAKAKO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING JOINED BODY, AND JOINING MATERIAL
Publication number
20200344893
Publication date
Oct 29, 2020
Hitachi Chemical Company, Ltd.
Hideo NAKAKO
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR MANUFACTURING THERMOELECTRIC CONVERSION MODULE, THERMOEL...
Publication number
20200295248
Publication date
Sep 17, 2020
Hitachi Chemical Company, Ltd.
Motohiro NEGISHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COPPER PASTE FOR JOINING, METHOD FOR MANUFACTURING JOINED BODY, AND...
Publication number
20200176411
Publication date
Jun 4, 2020
Hitachi Chemical Company, Ltd.
Yuki KAWANA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METAL PASTE FOR JOINTS, ASSEMBLY, PRODUCTION METHOD FOR ASSEMBLY, S...
Publication number
20200130109
Publication date
Apr 30, 2020
Hitachi Chemical Company, Ltd.
Yuki KAWANA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COPPER PASTE FOR JOINING, METHOD FOR MANUFACTURING JOINED BODY, AND...
Publication number
20200108471
Publication date
Apr 9, 2020
Hitachi Chemical Company, Ltd.
Dai ISHIKAWA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METAL PASTE FOR JOINTS, ASSEMBLY, PRODUCTION METHOD FOR ASSEMBLY, S...
Publication number
20200075528
Publication date
Mar 5, 2020
Hitachi Chemical Company, Ltd.
Yuki KAWANA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COPPER PASTE FOR PRESSURELESS BONDING, BONDED BODY AND SEMICONDUCTO...
Publication number
20190355690
Publication date
Nov 21, 2019
Hitachi Chemical Company, Ltd.
Hideo NAKAKO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ASSEMBLY AND SEMICONDUCTOR DEVICE
Publication number
20180342478
Publication date
Nov 29, 2018
Hitachi Chemical Company, Ltd.
Hideo NAKAKO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COPPER PASTE FOR JOINING, METHOD FOR PRODUCING JOINED BODY, AND MET...
Publication number
20180250751
Publication date
Sep 6, 2018
Hitachi Chemical Company, Ltd.
Yuki KAWANA
B22 - CASTING POWDER METALLURGY