Kazutaka ISHII

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mn ferrite powder, resin composition, electromagnetic wave shieldin...
- Patent number 11,952,286
- Issue date Apr 9, 2024
- Powdertech Co., Ltd.
- Koji Aga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mn—Zn ferrite particles, resin molded body, soft magnetic mixed pow...
- Patent number 11,651,881
- Issue date May 16, 2023
- Powdertech Co., Ltd.
- Takashi Kojima
- C30 - CRYSTAL GROWTH
Information Patent Grant
Ferrite particles, resin compositions and electromagnetic wave shie...
- Patent number 11,542,174
- Issue date Jan 3, 2023
- Powdertech Co., Ltd.
- Takashi Kojima
- C30 - CRYSTAL GROWTH
Information Patent Grant
Ferrite powder, resin composition, and molded body
- Patent number 11,521,768
- Issue date Dec 6, 2022
- Powdertech Co., Ltd.
- Kazutaka Ishii
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ferrite particles, resin composition and resin film
- Patent number 11,014,826
- Issue date May 25, 2021
- Powdertech Co., Ltd.
- Takashi Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ni—Zn—Cu ferrite particle, resin composition, and resin molding
- Patent number 10,825,593
- Issue date Nov 3, 2020
- Powdertech Co., Ltd.
- Takashi Kojima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ferrite carrier core material for electrophotographic developer, fe...
- Patent number 10,775,711
- Issue date Sep 15, 2020
- Powdertech Co., Ltd.
- Takao Sugiura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ferrite carrier core material for electrophotographic developer, fe...
- Patent number 10,564,561
- Issue date Feb 18, 2020
- Powdertech Co., Ltd.
- Takao Sugiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC COMPOSITE
- Publication number 20240128001
- Publication date Apr 18, 2024
- Powdertech Co., Ltd.
- Kazutaka ISHII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC COMPOSITE
- Publication number 20240079172
- Publication date Mar 7, 2024
- Powdertech Co., Ltd.
- Kazutaka ISHII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MN FERRITE POWDER, RESIN COMPOSITION, ELECTROMAGNETIC WAVE SHIELDIN...
- Publication number 20210047200
- Publication date Feb 18, 2021
- Powdertech Co., Ltd.
- Koji AGA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Mn-Zn FERRITE PARTICLES, RESIN MOLDED BODY, SOFT MAGNETIC MIXED POW...
- Publication number 20200251263
- Publication date Aug 6, 2020
- POWDERTECH CO., LTD.
- Takashi KOJIMA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FERRITE POWDER, RESIN COMPOSITION, AND MOLDED BODY
- Publication number 20200143966
- Publication date May 7, 2020
- Powdertech Co., Ltd.
- Kazutaka ISHII
- C01 - INORGANIC CHEMISTRY
Information Patent Application
NI-ZN-CU FERRITE PARTICLE, RESIN COMPOSITION, AND RESIN MOLDING
- Publication number 20190341177
- Publication date Nov 7, 2019
- POWDERTECH CO., LTD.
- Takashi KOJIMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
FERRITE PARTICLES, RESIN COMPOSITIONS AND ELECTROMAGNETIC WAVE SHIE...
- Publication number 20190300379
- Publication date Oct 3, 2019
- POWDERTECH CO., LTD.
- Takashi KOJIMA
- C30 - CRYSTAL GROWTH
Information Patent Application
FERRITE PARTICLES, RESIN COMPOSITION AND RESIN FILM
- Publication number 20190161362
- Publication date May 30, 2019
- POWDERTECH CO., LTD.
- Takashi KOJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...
- Publication number 20190086829
- Publication date Mar 21, 2019
- POWDERTECH CO., LTD.
- Takao SUGIURA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...
- Publication number 20190079422
- Publication date Mar 14, 2019
- POWDERTECH CO., LTD.
- Takao SUGIURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazutaka ISHII

Person

Patents Grantslast 30 patents

Mn ferrite powder, resin composition, electromagnetic wave shieldin...

Mn—Zn ferrite particles, resin molded body, soft magnetic mixed pow...

Ferrite particles, resin compositions and electromagnetic wave shie...

Ferrite powder, resin composition, and molded body

Ferrite particles, resin composition and resin film

Ni—Zn—Cu ferrite particle, resin composition, and resin molding

Ferrite carrier core material for electrophotographic developer, fe...

Ferrite carrier core material for electrophotographic developer, fe...

Patents Applicationslast 30 patents

MAGNETIC COMPOSITE

MAGNETIC COMPOSITE

MN FERRITE POWDER, RESIN COMPOSITION, ELECTROMAGNETIC WAVE SHIELDIN...

Mn-Zn FERRITE PARTICLES, RESIN MOLDED BODY, SOFT MAGNETIC MIXED POW...

FERRITE POWDER, RESIN COMPOSITION, AND MOLDED BODY

NI-ZN-CU FERRITE PARTICLE, RESIN COMPOSITION, AND RESIN MOLDING

FERRITE PARTICLES, RESIN COMPOSITIONS AND ELECTROMAGNETIC WAVE SHIE...

FERRITE PARTICLES, RESIN COMPOSITION AND RESIN FILM

FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...

FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...