Hitoshi Umezawa

Person

Tsukuba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composite having diamond crystal base
- Patent number 12,027,440
- Issue date Jul 2, 2024
- National Institute of Advanced Industrial Science and Technology
- Takashi Matsumae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stack comprising single-crystal diamond substrate
- Patent number 11,522,055
- Issue date Dec 6, 2022
- National Institute of Advanced Industrial Science and Technology
- Shinya Ohmagari
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Schottky diamond semiconductor device and manufacturing method for...
- Patent number 8,237,170
- Issue date Aug 7, 2012
- National Institute of Advanced Industrial Science and Technology
- Kazuhiro Ikeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of selectively forming atomically flat plane on diamond surf...
- Patent number 7,989,260
- Issue date Aug 2, 2011
- National Institute of Advanced Industrial Science and Technology
- Norio Tokuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
FIELD EFFECT TRANSISTOR
- Publication number 20240088058
- Publication date Mar 14, 2024
- OOKUMA DIAMOND DEVICE Inc.
- Junichi KANEKO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIAMOND COMPOSITE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20230170276
- Publication date Jun 1, 2023
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCINCE AND TECHNOLOGY
- Takashi MATSUMAE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITE HAVING DIAMOND CRYSTAL BASE
- Publication number 20220230934
- Publication date Jul 21, 2022
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Takashi MATSUMAE
- C30 - CRYSTAL GROWTH
Information Patent Application
STACK COMPRISING SINGLE-CRYSTAL DIAMOND SUBSTRATE
- Publication number 20210066078
- Publication date Mar 4, 2021
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Shinya OHMAGARI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SCHOTTKY ELECTRODE FOR DIAMOND SEMICONDUCTOR DEVICE AND MANUFACTURI...
- Publication number 20100117098
- Publication date May 13, 2010
- Kazuhiro Ikeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR DIAMOND SURFACE TREATMENT AND DEVICE USING DIAMOND THIN...
- Publication number 20090140263
- Publication date Jun 4, 2009
- Hitoshi Umezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of Selectively Forming Atomically Flat Plane on Diamond Surf...
- Publication number 20090127566
- Publication date May 21, 2009
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Norio Tokuda
- C30 - CRYSTAL GROWTH
Information Patent Application
High-output diamond semiconductor element
- Publication number 20090050899
- Publication date Feb 26, 2009
- National Institute of Advanced Industrial Scinece and Technology
- Kazuhiro Ikeda
- H01 - BASIC ELECTRIC ELEMENTS

Hitoshi Umezawa

Person

Patents Grantslast 30 patents

Composite having diamond crystal base

Stack comprising single-crystal diamond substrate

Schottky diamond semiconductor device and manufacturing method for...

Method of selectively forming atomically flat plane on diamond surf...

Patents Applicationslast 30 patents

FIELD EFFECT TRANSISTOR

DIAMOND COMPOSITE AND METHOD OF MANUFACTURING THE SAME

COMPOSITE HAVING DIAMOND CRYSTAL BASE

STACK COMPRISING SINGLE-CRYSTAL DIAMOND SUBSTRATE

SCHOTTKY ELECTRODE FOR DIAMOND SEMICONDUCTOR DEVICE AND MANUFACTURI...

METHOD FOR DIAMOND SURFACE TREATMENT AND DEVICE USING DIAMOND THIN...

Method of Selectively Forming Atomically Flat Plane on Diamond Surf...

High-output diamond semiconductor element