Takumi YONEMURA

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing optical fiber preform, and optical fiber preform
- Patent number 11,591,252
- Issue date Feb 28, 2023
- Sumitomo Electric Industries, Ltd.
- Takumi Yonemura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Group III nitride semiconductor light emitting device and method of...
- Patent number 8,872,156
- Issue date Oct 28, 2014
- Sumitomo Electric Industries, Ltd
- Takumi Yonemura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING OPTICAL FIBER PREFORM, AND OPTICAL FIBER PREFORM
- Publication number 20230167003
- Publication date Jun 1, 2023
- Sumitomo Electric Industries, Ltd.
- Takumi YONEMURA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
SEMICONDUCTOR DEVICE WITH SILICON NITRIDE PASSIVATION FILM
- Publication number 20230054259
- Publication date Feb 23, 2023
- Sumitomo Electric Industries, Ltd.
- Kazuhide SUMIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING EPITAXIAL SUBSTRATE, AND EPITAXIAL SUBSTRATE
- Publication number 20230005736
- Publication date Jan 5, 2023
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Kohei MIYASHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING OPTICAL FIBER PREFORM, AND OPTICAL FIBER PREFORM
- Publication number 20210130220
- Publication date May 6, 2021
- Sumitomo Electric Industries, Ltd.
- Takumi YONEMURA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR FORMING SILICON NITRIDE PASSIVATION FILM, METHOD FOR MAN...
- Publication number 20210066065
- Publication date Mar 4, 2021
- Sumitomo Electric Industries, Ltd.
- Kazuhide SUMIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT EMITTING ELEMENT
- Publication number 20150200521
- Publication date Jul 16, 2015
- Sumitomo Electric Industries, Ltd.
- Masahiro Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF...
- Publication number 20130020551
- Publication date Jan 24, 2013
- Sumitomo Electric Industries, Ltd.
- Takumi YONEMURA
- B82 - NANO-TECHNOLOGY

Takumi YONEMURA

Person

Patents Grantslast 30 patents

Method for producing optical fiber preform, and optical fiber preform

Group III nitride semiconductor light emitting device and method of...

Patents Applicationslast 30 patents

METHOD FOR PRODUCING OPTICAL FIBER PREFORM, AND OPTICAL FIBER PREFORM

SEMICONDUCTOR DEVICE WITH SILICON NITRIDE PASSIVATION FILM

METHOD FOR MANUFACTURING EPITAXIAL SUBSTRATE, AND EPITAXIAL SUBSTRATE

METHOD FOR PRODUCING OPTICAL FIBER PREFORM, AND OPTICAL FIBER PREFORM

METHOD FOR FORMING SILICON NITRIDE PASSIVATION FILM, METHOD FOR MAN...

NITRIDE SEMICONDUCTOR LIGHT EMITTING ELEMENT

GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF...