Norikazu Koyuhara

Person

Tottori-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sintered MnZn ferrite body
- Patent number 11,398,328
- Issue date Jul 26, 2022
- Hitachi Metals, Ltd.
- Yasuharu Miyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sintered Ni ferrite body, coil device, and method for producing sin...
- Patent number 11,242,288
- Issue date Feb 8, 2022
- Hitachi Metals, Ltd.
- Satoru Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
MnZn ferrite core and its production method
- Patent number 10,950,375
- Issue date Mar 16, 2021
- Hitachi Metals Ltd.
- Norikazu Koyuhara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MnZn-ferrite and its production method
- Patent number 10,937,579
- Issue date Mar 2, 2021
- Hitachi Metals, Ltd.
- Norikazu Koyuhara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MnZn ferrite and its production method
- Patent number 10,919,809
- Issue date Feb 16, 2021
- Hitachi Metals, Ltd.
- Yasuharu Miyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MnZn-based ferrite and method for manufacturing the same
- Patent number 10,304,602
- Issue date May 28, 2019
- Hitachi Metals, Ltd.
- Tomoyuki Tada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ferrite core, CATV equipment and bi-directional CATV system
- Patent number 7,061,355
- Issue date Jun 13, 2006
- Hitachi Metals, Ltd.
- Satoru Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic core
- Patent number 5,815,062
- Issue date Sep 29, 1998
- Hitachi Metal, Ltd.
- Norikazu Koyuhara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SINTERED MnZn FERRITE AND ITS PRODUCTION METHOD
- Publication number 20230290554
- Publication date Sep 14, 2023
- Proterial, Ltd.
- Hayato MASUMITSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SINTERED NI FERRITE BODY, COIL DEVICE, AND METHOD FOR PRODUCING SIN...
- Publication number 20210139377
- Publication date May 13, 2021
- Hitachi Metals, Ltd.
- Satoru TANAKA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
SINTERED MnZn FERRITE BODY
- Publication number 20200373047
- Publication date Nov 26, 2020
- Hitachi Metals, Ltd.
- Yasuharu Miyoshi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
MNZN FERRITE CORE AND ITS PRODUCTION METHOD
- Publication number 20190096554
- Publication date Mar 28, 2019
- Hitachi Metals, Ltd.
- Norikazu KOYUHARA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
MNZN FERRITE AND ITS PRODUCTION METHOD
- Publication number 20190062217
- Publication date Feb 28, 2019
- Hitachi Metals, Ltd.
- Yasuharu Miyoshi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
MnZn-FERRITE AND ITS PRODUCTION METHOD
- Publication number 20170352455
- Publication date Dec 7, 2017
- Hitachi Metals, Ltd.
- Norikazu KOYUHARA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
MnZn-Based Ferrite and Method for Manufacturing the Same
- Publication number 20170278607
- Publication date Sep 28, 2017
- Hitachi Metals, Ltd.
- Tomoyuki Tada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Ferrite core, CATV equipment and bi-directional CATV system
- Publication number 20040113742
- Publication date Jun 17, 2004
- HITACHI METALS, LTD
- Satoru Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Norikazu Koyuhara

Person

Patents Grantslast 30 patents

Sintered MnZn ferrite body

Sintered Ni ferrite body, coil device, and method for producing sin...

MnZn ferrite core and its production method

MnZn-ferrite and its production method

MnZn ferrite and its production method

MnZn-based ferrite and method for manufacturing the same

Ferrite core, CATV equipment and bi-directional CATV system

Magnetic core

Patents Applicationslast 30 patents

SINTERED MnZn FERRITE AND ITS PRODUCTION METHOD

SINTERED NI FERRITE BODY, COIL DEVICE, AND METHOD FOR PRODUCING SIN...

SINTERED MnZn FERRITE BODY

MNZN FERRITE CORE AND ITS PRODUCTION METHOD

MNZN FERRITE AND ITS PRODUCTION METHOD

MnZn-FERRITE AND ITS PRODUCTION METHOD

MnZn-Based Ferrite and Method for Manufacturing the Same

Ferrite core, CATV equipment and bi-directional CATV system