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Koji KOYAMA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Diamond crystal substrate, method for producing diamond crystal sub...
Patent number
11,505,878
Issue date
Nov 22, 2022
Adamant Namiki Precision Jewel Co., Ltd.
Koji Koyama
C30 - CRYSTAL GROWTH
Information
Patent Grant
Diamond substrate
Patent number
10,619,267
Issue date
Apr 14, 2020
Adamant Namiki Precision Jewel Co., Ltd.
Hideo Aida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Diamond substrate
Patent number
10,480,096
Issue date
Nov 19, 2019
Adamant Namiki Precision Jewel Co., Ltd.
Hideo Aida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Diamond substrate and method for manufacturing diamond substrate
Patent number
10,246,794
Issue date
Apr 2, 2019
Adamant Namiki Precision Jewel Co., Ltd.
Hideo Aida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Diamond substrate and diamond substrate manufacturing method
Patent number
10,132,000
Issue date
Nov 20, 2018
Adamant Namiki Precision Jewel Co., Ltd.
Hideo Aida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
SUBSTRATE FOR EPITAXIALLY GROWING DIAMOND CRYSTAL AND METHOD OF MAN...
Publication number
20240052522
Publication date
Feb 15, 2024
ORBRAY CO., LTD.
Seongwoo KIM
C30 - CRYSTAL GROWTH
Information
Patent Application
Diamond Crystal
Publication number
20210198803
Publication date
Jul 1, 2021
Adamant Namiki Precision Jewel Co., Ltd.
Seongwoo Kim
C30 - CRYSTAL GROWTH
Information
Patent Application
DIAMOND CRYSTAL SUBSTRATE, METHOD FOR PRODUCING DIAMOND CRYSTAL SUB...
Publication number
20210062362
Publication date
Mar 4, 2021
Adamant Namiki Precision Jewel Co., Ltd.
Koji KOYAMA
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR POLISHING DIAMOND CRYSTAL, AND DIAMOND CRYSTAL
Publication number
20200406420
Publication date
Dec 31, 2020
Adamant Namiki Precision Jewel Co., Ltd.
Seongwoo KIM
B24 - GRINDING POLISHING
Information
Patent Application
DIAMOND SUBSTRATE
Publication number
20190136410
Publication date
May 9, 2019
Adamant Namiki Precision Jewel Co., Ltd.
Hideo AIDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DIAMOND SUBSTRATE
Publication number
20180312993
Publication date
Nov 1, 2018
Adamant Namiki Precision Jewel Co., Ltd.
Hideo AIDA
C30 - CRYSTAL GROWTH
Information
Patent Application
DIAMOND SUBSTRATE AND METHOD FOR PRODUCING THE SAME
Publication number
20180190774
Publication date
Jul 5, 2018
Adamant Namiki Precision Jewel, Co., Ltd.
Hideo AIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DIAMOND SUBSTRATE AND METHOD FOR MANUFACTURING DIAMOND SUBSTRATE
Publication number
20170009377
Publication date
Jan 12, 2017
NAMIKI SEIMITSU HOUSEKI KABUSHIKIKAISHA
Hideo AIDA
C30 - CRYSTAL GROWTH
Information
Patent Application
DIAMOND SUBSTRATE AND DIAMOND SUBSTRATE MANUFACTURING METHOD
Publication number
20160237592
Publication date
Aug 18, 2016
NAMIKI SEIMITSU HOUSEKI KABUSHIKIKAISHA
Hideo AIDA
C30 - CRYSTAL GROWTH
Information
Patent Application
GaN SUBSTRATE, AND METHOD FOR MANUFACTURING GaN SUBSTRATE
Publication number
20150368832
Publication date
Dec 24, 2015
Disco Corporation
Hideo AIDA
C30 - CRYSTAL GROWTH