Naoya Sunachi

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic part mounting substrate and method for producing same
- Patent number 10,510,557
- Issue date Dec 17, 2019
- Dowa Metaltech Co., Ltd.
- Naoya Sunachi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of attaching an electronic part to a copper plate having a s...
- Patent number 9,831,157
- Issue date Nov 28, 2017
- Dowa Metaltech Co., Ltd.
- Naoya Sunachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Notched compound semiconductor wafer
- Patent number 7,256,478
- Issue date Aug 14, 2007
- Dowa Mining Co., LTD
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Notched compound semiconductor wafer
- Patent number 7,256,476
- Issue date Aug 14, 2007
- Dowa Mining Co., LTD
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Notched compound semiconductor wafer
- Patent number 7,256,477
- Issue date Aug 14, 2007
- Dowa Mining Co., LTD
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting element and manufacturing method thereof
- Patent number 7,211,834
- Issue date May 1, 2007
- Dowa Electronics Materials Co., Ltd.
- Naoya Sunachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Notched compound semiconductor wafer
- Patent number 6,998,700
- Issue date Feb 14, 2006
- Dowa Mining Co., LTD
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GAAS WAFER, GAAS WAFER GROUP, AND METHOD OF PRODUCING GAAS INGOT
- Publication number 20240392475
- Publication date Nov 28, 2024
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Naoya SUNACHI
- C30 - CRYSTAL GROWTH
Information Patent Application
GaAs INGOT AND METHOD OF PRODUCING GaAs INGOT, AND GaAs WAFER
- Publication number 20230243067
- Publication date Aug 3, 2023
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Naoya SUNACHI
- C30 - CRYSTAL GROWTH
Information Patent Application
ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME
- Publication number 20200083062
- Publication date Mar 12, 2020
- DOWA METALTECH CO., LTD.
- Naoya Sunachi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME
- Publication number 20160211195
- Publication date Jul 21, 2016
- DOWA METALTECH CO., LTD.
- Naoya Sunachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME
- Publication number 20140147695
- Publication date May 29, 2014
- DOWA METALTECH CO., LTD.
- Naoya Sunachi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20060113559
- Publication date Jun 1, 2006
- DOWA MINING CO., LTD.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20060113558
- Publication date Jun 1, 2006
- DOWA MINING CO., LTD.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20060060883
- Publication date Mar 23, 2006
- DOWA MINING CO., LTD.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Semiconductor light-emitting element and manufacturing method thereof
- Publication number 20060011934
- Publication date Jan 19, 2006
- DOWA MINING CO., LTD.
- Naoya Sunachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20040242001
- Publication date Dec 2, 2004
- Ryuichi Toba
- C30 - CRYSTAL GROWTH

Naoya Sunachi

Person

Patents Grantslast 30 patents

Electronic part mounting substrate and method for producing same

Method of attaching an electronic part to a copper plate having a s...

Notched compound semiconductor wafer

Notched compound semiconductor wafer

Notched compound semiconductor wafer

Semiconductor light-emitting element and manufacturing method thereof

Notched compound semiconductor wafer

Patents Applicationslast 30 patents

GAAS WAFER, GAAS WAFER GROUP, AND METHOD OF PRODUCING GAAS INGOT

GaAs INGOT AND METHOD OF PRODUCING GaAs INGOT, AND GaAs WAFER

ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME

ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME

ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME

Notched compound semiconductor wafer

Notched compound semiconductor wafer

Notched compound semiconductor wafer

Semiconductor light-emitting element and manufacturing method thereof

Notched compound semiconductor wafer