Koji KOYAMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for polishing diamond crystal, and diamond crystal
- Patent number 12,134,161
- Issue date Nov 5, 2024
- Orbray Co., Ltd.
- Seongwoo Kim
- B24 - GRINDING POLISHING
Information Patent Grant
Diamond crystal
- Patent number 12,024,792
- Issue date Jul 2, 2024
- Orbray Co., Ltd.
- Seongwoo Kim
- C30 - CRYSTAL GROWTH
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 Applicationslast 30 patents

Information Patent Application
Diamond Crystal
- Publication number 20240343587
- Publication date Oct 17, 2024
- ORBRAY CO., LTD.
- Seongwoo Kim
- C01 - INORGANIC CHEMISTRY
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

Koji KOYAMA

Person

Patents Grantslast 30 patents

Method for polishing diamond crystal, and diamond crystal

Diamond crystal

Diamond crystal substrate, method for producing diamond crystal sub...

Diamond substrate

Diamond substrate

Diamond substrate and method for manufacturing diamond substrate

Diamond substrate and diamond substrate manufacturing method

Patents Applicationslast 30 patents

Diamond Crystal

SUBSTRATE FOR EPITAXIALLY GROWING DIAMOND CRYSTAL AND METHOD OF MAN...

Diamond Crystal

DIAMOND CRYSTAL SUBSTRATE, METHOD FOR PRODUCING DIAMOND CRYSTAL SUB...

METHOD FOR POLISHING DIAMOND CRYSTAL, AND DIAMOND CRYSTAL

DIAMOND SUBSTRATE

DIAMOND SUBSTRATE

DIAMOND SUBSTRATE AND METHOD FOR PRODUCING THE SAME

DIAMOND SUBSTRATE AND METHOD FOR MANUFACTURING DIAMOND SUBSTRATE

DIAMOND SUBSTRATE AND DIAMOND SUBSTRATE MANUFACTURING METHOD

GaN SUBSTRATE, AND METHOD FOR MANUFACTURING GaN SUBSTRATE