Hidetoshi Fujii

Person

Ibaraki Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Friction stir welding tool and friction stir welding method
- Patent number 12,311,461
- Issue date May 27, 2025
- NTK CUTTING TOOLS CO., LTD.
- Yuki Takeuchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction pressure welding method
- Patent number 12,240,052
- Issue date Mar 4, 2025
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Weathering steel for solid-state welding, weathering steel material...
- Patent number 12,234,535
- Issue date Feb 25, 2025
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotating tool for and method of friction stir welding
- Patent number 12,162,088
- Issue date Dec 10, 2024
- Mitsubishi Electric Corporation
- Tetsuya Amasaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding tool and friction stir welding method
- Patent number 11,986,901
- Issue date May 21, 2024
- NTK CUTTING TOOLS CO., LTD.
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for low-temperature joining of metal materials, and joint st...
- Patent number 11,964,338
- Issue date Apr 23, 2024
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dissimilar material solid phase bonding method, dissimilar material...
- Patent number 11,872,651
- Issue date Jan 16, 2024
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding tool member, and friction stir welding method...
- Patent number 11,813,693
- Issue date Nov 14, 2023
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal material solid-phase bonding method and solid-phase bonding d...
- Patent number 11,745,287
- Issue date Sep 5, 2023
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding tool and friction stir welding method
- Patent number 11,534,854
- Issue date Dec 27, 2022
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Linear friction welding method
- Patent number 11,273,518
- Issue date Mar 15, 2022
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction bonding method
- Patent number 11,161,199
- Issue date Nov 2, 2021
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding tool member, friction stir welding apparatus...
- Patent number 11,130,194
- Issue date Sep 28, 2021
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction pressure welding method
- Patent number 11,110,542
- Issue date Sep 7, 2021
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding tool member made of silicon nitride sintered...
- Patent number 11,097,374
- Issue date Aug 24, 2021
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing ferrous material
- Patent number 9,617,613
- Issue date Apr 11, 2017
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotary tool
- Patent number 8,998,062
- Issue date Apr 7, 2015
- Sumitomo Electric Industries, Ltd
- Hideki Moriguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotary tool
- Patent number 8,936,186
- Issue date Jan 20, 2015
- Sumitomo Electric Industries, Ltd
- Hiroka Aoyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotary tool
- Patent number 8,833,633
- Issue date Sep 16, 2014
- Sumitomo Electric Industries, Ltd.
- Hiroka Miyazaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transformable metal surface hardening method
- Patent number 8,286,455
- Issue date Oct 16, 2012
- Osaka University
- Hidetoshi Fujii
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for welding metal material
- Patent number 8,038,047
- Issue date Oct 18, 2011
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for working metal material and structures
- Patent number 7,918,379
- Issue date Apr 5, 2011
- Osaka University
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
TIG welding equipment and TIG welding methods
- Patent number 7,915,560
- Issue date Mar 29, 2011
- Taiyo Nippon Sanso Corporation
- Toyoyuki Satou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ink-jet printer head and a manufacturing method thereof
- Patent number 7,325,902
- Issue date Feb 5, 2008
- Ricoh Printing Systems, Ltd.
- Kunihiro Tamahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method
- Patent number 7,290,873
- Issue date Nov 6, 2007
- Ricoh Printing Systems, Ltd.
- Akemi Ouchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Three-dimensional laminating molding device
- Patent number 7,104,773
- Issue date Sep 12, 2006
- Ricoh Printing Systems, Ltd.
- Tsutomu Maekawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cleaning device for cleaning inkjet head
- Patent number 7,004,560
- Issue date Feb 28, 2006
- Ricoh Printing Systems Ltd.
- Takahiro Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet recording device and ink supplying device employed thereby
- Patent number 6,814,432
- Issue date Nov 9, 2004
- Hitachi Printing Solutions, Ltd.
- Takahiro Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet recording device that reuses refresh ink
- Patent number 6,749,291
- Issue date Jun 15, 2004
- Hitachi Printing Solutions, Ltd.
- Kunio Satou
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
FRICTION STIR WELDING METHOD
- Publication number 20250153264
- Publication date May 15, 2025
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
RESISTANCE SPOT JOINING METHOD AND RESISTANCE SPOT JOINING APPARATUS
- Publication number 20240399487
- Publication date Dec 5, 2024
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SOLID STATE WELDING APPARATUS AND SOLID STATE WELDING METHOD
- Publication number 20240399490
- Publication date Dec 5, 2024
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SOLID STATE WELDING APPARATUS AND METHOD FOR REMOVING IMPURITY
- Publication number 20240399488
- Publication date Dec 5, 2024
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR FRICTION-JOINING GALVANIZED STEEL SHEETS, AND JOINED STR...
- Publication number 20240351134
- Publication date Oct 24, 2024
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SOLID-STATE JOINING METHOD, SOLID-STATE JOINED JOINT, SOLID-STATE J...
- Publication number 20240316689
- Publication date Sep 26, 2024
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISSIMILAR MATERIAL SOLID-PHASE BONDING METHOD AND DISSIMILAR MATER...
- Publication number 20240293888
- Publication date Sep 5, 2024
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING METHOD
- Publication number 20240189937
- Publication date Jun 13, 2024
- NTK CUTTING TOOLS CO., LTD.
- Yuki Takeuchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LINEAR FRICTION-JOINING METHOD AND LINEAR FRICTION-JOINING STRUCTURE
- Publication number 20240157467
- Publication date May 16, 2024
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION PRESSURE WELDING METHOD
- Publication number 20230339039
- Publication date Oct 26, 2023
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SOLID-PHASE SPOT-WELDING METHOD AND SOLID-PHASE SPOT-WELDING DEVICE
- Publication number 20230138076
- Publication date May 4, 2023
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISSIMILAR MATERIAL SOLID PHASE BONDING METHOD, DISSIMILAR MATERIAL...
- Publication number 20220371120
- Publication date Nov 24, 2022
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SURFACE-MODIFYING METHOD FOR STEEL MATERIAL AND STEEL STRUCTURE
- Publication number 20220162723
- Publication date May 26, 2022
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WEATHERING STEEL FOR SOLID-STATE WELDING, WEATHERING STEEL MATERIAL...
- Publication number 20220145435
- Publication date May 12, 2022
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING METHOD
- Publication number 20220001486
- Publication date Jan 6, 2022
- NGK Spark Plug Co., Ltd.
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING METHOD
- Publication number 20210220942
- Publication date Jul 22, 2021
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR LOW-TEMPERATURE JOINING OF METAL MATERIALS, AND JOINT ST...
- Publication number 20210205918
- Publication date Jul 8, 2021
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LINEAR FRICTION WELDING METHOD
- Publication number 20210129263
- Publication date May 6, 2021
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METAL MATERIAL SOLID-PHASE BONDING METHOD AND SOLID-PHASE BONDING D...
- Publication number 20210107087
- Publication date Apr 15, 2021
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ROTATING TOOL FOR AND METHOD OF FRICTION STIR WELDING
- Publication number 20200361025
- Publication date Nov 19, 2020
- Mitsubishi Electric Corporation
- Tetsuya AMASAKI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION PRESSURE WELDING METHOD
- Publication number 20200023458
- Publication date Jan 23, 2020
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION STIR WELDING TOOL MEMBER, FRICTION STIR WELDING APPARATUS...
- Publication number 20190210149
- Publication date Jul 11, 2019
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION STIR WELDING TOOL MEMBER MADE OF SILICON NITRIDE SINTERED...
- Publication number 20190168337
- Publication date Jun 6, 2019
- OSAKA UNIVERSITY
- Hidetoshi FUJII
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
FRICTION BONDING METHOD
- Publication number 20180214974
- Publication date Aug 2, 2018
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING METHOD, WELDING NOZZLE AND WELDING DEVICE
- Publication number 20150151378
- Publication date Jun 4, 2015
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR MANUFACTURING FERROUS MATERIAL
- Publication number 20150007912
- Publication date Jan 8, 2015
- OSAKA UNIVERSITY
- Hidetoshi Fujii
- C21 - METALLURGY OF IRON
Information Patent Application
Rotary Tool
- Publication number 20130341376
- Publication date Dec 26, 2013
- Sumitomo Electric Industries, Ltd.
- Hiroka Miyazaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ROTARY TOOL
- Publication number 20130284793
- Publication date Oct 31, 2013
- Sumitomo Electric Industries, Ltd.
- Hideki Moriguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ROTARY TOOL
- Publication number 20130264373
- Publication date Oct 10, 2013
- Sumitomo Electric Industries, Ltd.
- Hiroka Miyazaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR FORMING METAL MEMBRANE
- Publication number 20130068735
- Publication date Mar 21, 2013
- Osaka University
- Yoshiaki Morisada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Hidetoshi Fujii

Person

Patents Grantslast 30 patents

Friction stir welding tool and friction stir welding method

Friction pressure welding method

Weathering steel for solid-state welding, weathering steel material...

Rotating tool for and method of friction stir welding

Friction stir welding tool and friction stir welding method

Method for low-temperature joining of metal materials, and joint st...

Dissimilar material solid phase bonding method, dissimilar material...

Friction stir welding tool member, and friction stir welding method...

Metal material solid-phase bonding method and solid-phase bonding d...

Friction stir welding tool and friction stir welding method

Linear friction welding method

Friction bonding method

Friction stir welding tool member, friction stir welding apparatus...

Friction pressure welding method

Friction stir welding tool member made of silicon nitride sintered...

Method for manufacturing ferrous material

Rotary tool

Rotary tool

Rotary tool

Transformable metal surface hardening method

Method for welding metal material

Process for working metal material and structures

TIG welding equipment and TIG welding methods

Ink-jet printer head and a manufacturing method thereof

Ink jet recording method

Three-dimensional laminating molding device

Cleaning device for cleaning inkjet head

Inkjet recording device and ink supplying device employed thereby

Inkjet recording device that reuses refresh ink

Patents Applicationslast 30 patents

FRICTION STIR WELDING METHOD

RESISTANCE SPOT JOINING METHOD AND RESISTANCE SPOT JOINING APPARATUS

SOLID STATE WELDING APPARATUS AND SOLID STATE WELDING METHOD

SOLID STATE WELDING APPARATUS AND METHOD FOR REMOVING IMPURITY

METHOD FOR FRICTION-JOINING GALVANIZED STEEL SHEETS, AND JOINED STR...

SOLID-STATE JOINING METHOD, SOLID-STATE JOINED JOINT, SOLID-STATE J...

DISSIMILAR MATERIAL SOLID-PHASE BONDING METHOD AND DISSIMILAR MATER...

FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING METHOD

LINEAR FRICTION-JOINING METHOD AND LINEAR FRICTION-JOINING STRUCTURE

FRICTION PRESSURE WELDING METHOD

SOLID-PHASE SPOT-WELDING METHOD AND SOLID-PHASE SPOT-WELDING DEVICE

DISSIMILAR MATERIAL SOLID PHASE BONDING METHOD, DISSIMILAR MATERIAL...

SURFACE-MODIFYING METHOD FOR STEEL MATERIAL AND STEEL STRUCTURE

WEATHERING STEEL FOR SOLID-STATE WELDING, WEATHERING STEEL MATERIAL...

FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING METHOD

FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING METHOD

METHOD FOR LOW-TEMPERATURE JOINING OF METAL MATERIALS, AND JOINT ST...

LINEAR FRICTION WELDING METHOD

METAL MATERIAL SOLID-PHASE BONDING METHOD AND SOLID-PHASE BONDING D...

ROTATING TOOL FOR AND METHOD OF FRICTION STIR WELDING

FRICTION PRESSURE WELDING METHOD

FRICTION STIR WELDING TOOL MEMBER, FRICTION STIR WELDING APPARATUS...

FRICTION STIR WELDING TOOL MEMBER MADE OF SILICON NITRIDE SINTERED...

FRICTION BONDING METHOD

WELDING METHOD, WELDING NOZZLE AND WELDING DEVICE

METHOD FOR MANUFACTURING FERROUS MATERIAL

Rotary Tool

ROTARY TOOL

ROTARY TOOL

METHOD FOR FORMING METAL MEMBRANE