Hirofumi Hojo

Person

Takasago-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Powder mixture for powder magnetic core, and powder magnetic core
- Patent number 10,923,257
- Issue date Feb 16, 2021
- Kobe Steel, Ltd.
- Hiroyuki Mitani
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Iron-based soft magnetic powder for dust core, method for manufactu...
- Patent number 10,256,019
- Issue date Apr 9, 2019
- Kobe Steel, Ltd.
- Takeshi Ohwaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder for powder magnetic core, and powder magnetic core
- Patent number 9,922,758
- Issue date Mar 20, 2018
- Kobe Steel, Ltd.
- Wataru Urushihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based soft magnetic powder and production method thereof
- Patent number 9,589,712
- Issue date Mar 7, 2017
- Kobe Steel, Ltd.
- Takeo Miyamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Iron powder for powder magnetic core and process for producing powd...
- Patent number 9,583,261
- Issue date Feb 28, 2017
- Kobe Steel, Ltd.
- Hiroyuki Mitani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based soft magnetic powder for dust core use, manufacturing me...
- Patent number 9,472,328
- Issue date Oct 18, 2016
- Kobe Steel, Ltd.
- Mamoru Hosokawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron-based soft magnetic powder for dust core, preparation process...
- Patent number 9,275,779
- Issue date Mar 1, 2016
- Kobe Steel, Ltd.
- Hirofumi Hojo
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Axial motor
- Patent number 9,071,118
- Issue date Jun 30, 2015
- National University Corporation Hokkaido University
- Masatsugu Takemoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reactor
- Patent number 8,614,617
- Issue date Dec 24, 2013
- Kobe Steel, Ltd.
- Hiroyuki Mitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Production process of dust core and dust core obtained thereby
- Patent number 8,323,422
- Issue date Dec 4, 2012
- Kobe Steel, Ltd.
- Takeshi Ohwaki
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
POWDER MIXTURE FOR POWDER MAGNETIC CORE, AND POWDER MAGNETIC CORE
- Publication number 20180182520
- Publication date Jun 28, 2018
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroyuki MITANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, METHOD FOR MANUFACTU...
- Publication number 20150340138
- Publication date Nov 26, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takeshi OHWAKI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
POWDER FOR POWDER MAGNETIC CORE, AND POWDER MAGNETIC CORE
- Publication number 20150228387
- Publication date Aug 13, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Wataru Urushihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
IRON POWDER FOR POWDER MAGNETIC CORE AND PROCESS FOR PRODUCING POWD...
- Publication number 20150187493
- Publication date Jul 2, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroyuki Mitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE USE, MANUFACTURING ME...
- Publication number 20140183402
- Publication date Jul 3, 2014
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Mamoru Hosokawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IRON BASE SOFT MAGNETIC POWDER FOR POWDER MAGNETIC CORES, FABRICATI...
- Publication number 20140002219
- Publication date Jan 2, 2014
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroyuki Mitani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IRON-BASED SOFT MAGNETIC POWDER AND PRODUCTION METHOD THEREOF
- Publication number 20130181804
- Publication date Jul 18, 2013
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takeo MIYAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING DUST CORE, AND DUST CORE PRODUCED BY THE METHOD
- Publication number 20120286909
- Publication date Nov 15, 2012
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takeshi OHWAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, PREPARATION PROCESS...
- Publication number 20120164453
- Publication date Jun 28, 2012
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hirofumi HOJO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PRODUCTION PROCESS OF DUST CORE AND DUST CORE OBTAINED THEREBY
- Publication number 20120154083
- Publication date Jun 21, 2012
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Takeshi Ohwaki
- B22 - CASTING POWDER METALLURGY
Information Patent Application
REACTOR
- Publication number 20120105190
- Publication date May 3, 2012
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hiroyuki Mitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AXIAL MOTOR
- Publication number 20120104880
- Publication date May 3, 2012
- Kabushiki Kaisha Kobe Seiko Sho
- Masatsugu Takemoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, METHOD FOR MANUFACTU...
- Publication number 20100212455
- Publication date Aug 26, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd)
- Takeshi OHWAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Hirofumi Hojo

Person

Patents Grantslast 30 patents

Powder mixture for powder magnetic core, and powder magnetic core

Iron-based soft magnetic powder for dust core, method for manufactu...

Powder for powder magnetic core, and powder magnetic core

Iron-based soft magnetic powder and production method thereof

Iron powder for powder magnetic core and process for producing powd...

Iron-based soft magnetic powder for dust core use, manufacturing me...

Iron-based soft magnetic powder for dust core, preparation process...

Axial motor

Reactor

Production process of dust core and dust core obtained thereby

Patents Applicationslast 30 patents

POWDER MIXTURE FOR POWDER MAGNETIC CORE, AND POWDER MAGNETIC CORE

IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, METHOD FOR MANUFACTU...

POWDER FOR POWDER MAGNETIC CORE, AND POWDER MAGNETIC CORE

IRON POWDER FOR POWDER MAGNETIC CORE AND PROCESS FOR PRODUCING POWD...

IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE USE, MANUFACTURING ME...

IRON BASE SOFT MAGNETIC POWDER FOR POWDER MAGNETIC CORES, FABRICATI...

IRON-BASED SOFT MAGNETIC POWDER AND PRODUCTION METHOD THEREOF

METHOD FOR PRODUCING DUST CORE, AND DUST CORE PRODUCED BY THE METHOD

IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, PREPARATION PROCESS...

PRODUCTION PROCESS OF DUST CORE AND DUST CORE OBTAINED THEREBY

REACTOR

AXIAL MOTOR

IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, METHOD FOR MANUFACTU...