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Mitsubishi Steel Mfg. Co., Ltd

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge
    • Patent number 12,139,949
    • Issue date Nov 12, 2024
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hollow spring and method of manufacturing the same
    • Patent number 12,135,068
    • Issue date Nov 5, 2024
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Hironobu Sayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Atomizer nozzle, atomizing device, method for producing metal powde...
    • Patent number 12,090,555
    • Issue date Sep 17, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Yoshinao Komatsu
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method for manufacturing spring and spring
    • Patent number 11,965,571
    • Issue date Apr 23, 2024
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Tomohiro Yamazaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Parallel biaxial hinge with rotation order regulating structure
    • Patent number 11,797,061
    • Issue date Oct 24, 2023
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yuji Hazama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Hollow spring and manufacturing method thereof
    • Patent number 10,987,779
    • Issue date Apr 27, 2021
    • MITSUBISHI STEEL MFG. CO., LTD.
    • Hironobu Sayama
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Device and method for forming end of coiled spring
    • Patent number 10,828,690
    • Issue date Nov 10, 2020
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    High strength spring, method of manufacturing the same, steel for h...
    • Patent number 10,752,971
    • Issue date Aug 25, 2020
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Motoki Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Suspension coil spring
    • Patent number 10,300,756
    • Issue date May 28, 2019
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Hironobu Sayama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Coil spring
    • Patent number 10,138,970
    • Issue date Nov 27, 2018
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takayuki Matsuoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of manufacturing rubber-bush-provided stabilizer bar and rub...
    • Patent number 10,124,646
    • Issue date Nov 13, 2018
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Daisuke Higuchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Composite coil spring
    • Patent number 9,982,734
    • Issue date May 29, 2018
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Jun Yoshioka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Suspension coil spring
    • Patent number 9,783,017
    • Issue date Oct 10, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Junji Ogura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Suspension coil spring and strut type suspension
    • Patent number 9,770,957
    • Issue date Sep 26, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Masanori Sano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Opening and closing device, and electronic device
    • Patent number 9,696,755
    • Issue date Jul 4, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Composite coil spring
    • Patent number 9,677,637
    • Issue date Jun 13, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Jun Yoshioka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Locking member, door stop, and rod locking system
    • Patent number 9,598,885
    • Issue date Mar 21, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Junichiro Yamamoto
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Electronic device
    • Patent number 9,585,274
    • Issue date Feb 28, 2017
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Opening and closing device, and electronic device
    • Patent number 9,413,971
    • Issue date Aug 9, 2016
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Opening and closing device
    • Patent number 9,398,708
    • Issue date Jul 19, 2016
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Door stopper and rod locking mechanism
    • Patent number 9,388,620
    • Issue date Jul 12, 2016
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Takao Endo
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Spring unit and slide mechanism
    • Patent number 9,316,280
    • Issue date Apr 19, 2016
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring unit and sliding mechanism
    • Patent number 9,277,034
    • Issue date Mar 1, 2016
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yuji Hazama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Spring unit and slide mechanism
    • Patent number 9,243,676
    • Issue date Jan 26, 2016
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Yasuhiro Mitsui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Film-like member and attaching method thereof
    • Patent number 9,142,883
    • Issue date Sep 22, 2015
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Toru Hirokane
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Spring unit and sliding mechanism
    • Patent number 9,115,751
    • Issue date Aug 25, 2015
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Tetsuya Katsuta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Opening/closing device
    • Patent number 9,091,105
    • Issue date Jul 28, 2015
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Hironobu Sayama
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cover mechanism for opening and closing device
    • Patent number 9,094,490
    • Issue date Jul 28, 2015
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Hironobu Sayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Semi-automatic hinge with rotational angle restricting mechanism
    • Patent number 9,060,051
    • Issue date Jun 16, 2015
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Kiichiro Kitamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Curved spring and slide mechanism
    • Patent number 9,022,367
    • Issue date May 5, 2015
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Tetsuya Katsuta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SOFT MAGNETIC ALLOY POWDER AND PRODUCTION METHOD THEREFOR
    • Publication number 20240271259
    • Publication date Aug 15, 2024
    • Mitsubishi Steel Mfg. Co., Ltd
    • Tetsuji SHISEKI
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    OPENING AND CLOSING MECHANISM
    • Publication number 20240026920
    • Publication date Jan 25, 2024
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yasuhiro MITSUI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HOLLOW SPRING AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20220170524
    • Publication date Jun 2, 2022
    • Mitsubishi Steel Mfg. Co., Ltd
    • Hironobu SAYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    COMPOSITE COIL SPRING WITH CARBON AND GLASS FIBER LAYERS
    • Publication number 20220170525
    • Publication date Jun 2, 2022
    • Mitsubishi Steel Mfg. Co., Ltd
    • Jun Yoshioka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    HINGE
    • Publication number 20220162892
    • Publication date May 26, 2022
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yasuhiro Mitsui
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PARALLEL BIAXIAL HINGE WITH ROTATION ORDER REGULATING STRUCTURE
    • Publication number 20220075429
    • Publication date Mar 10, 2022
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yuji HAZAMA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ATOMIZER NOZZLE, ATOMIZING DEVICE, METHOD FOR PRODUCING METAL POWDE...
    • Publication number 20210237155
    • Publication date Aug 5, 2021
    • Mitsubishi Heavy Industries, Ltd.
    • Yoshinao KOMATSU
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    METHOD FOR MANUFACTURING SPRING AND SPRING
    • Publication number 20210140502
    • Publication date May 13, 2021
    • Mitsubishi Steel Mfg. Co., Ltd
    • Tomohiro YAMAZAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HOLLOW SPRING AND METHOD FOR MANUFACTURING SAME
    • Publication number 20200094376
    • Publication date Mar 26, 2020
    • MITSUBISHI STEEL MFG. CO., LTD.
    • Hironobu Sayama
    • B24 - GRINDING POLISHING
  • Information Patent Application

    COMPOSITE COIL SPRING
    • Publication number 20180245651
    • Publication date Aug 30, 2018
    • Mitsubishi Steel Mfg. Co., Ltd
    • Jun Yoshioka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    COMPOSITE COIL SPRING
    • Publication number 20170234392
    • Publication date Aug 17, 2017
    • Mitsubishi Steel Mfg. Co., Ltd
    • Jun Yoshioka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SUSPENSION COIL SPRING
    • Publication number 20170050486
    • Publication date Feb 23, 2017
    • Mitsubishi Steel Mfg. Co., Ltd
    • Hironobu SAYAMA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LOCKING SYSTEM, AND OPENING AND CLOSING DEVICE
    • Publication number 20160273250
    • Publication date Sep 22, 2016
    • Mitsubishi Steel Mfg. Co., Ltd
    • Takao ENDO
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCKING MEMBER, DOOR STOP, AND ROD LOCKING SYSTEM
    • Publication number 20160265257
    • Publication date Sep 15, 2016
    • MITSUBISHI STEEL MFG, CO., LTD.
    • Junichiro YAMAMOTO
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20160270246
    • Publication date Sep 15, 2016
    • MITSUBISHI STEEL MFG. CO., LTD.
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD OF MANUFACTURING RUBBER BUSH PROVIDED STABILIZER BAR AND RUB...
    • Publication number 20160257178
    • Publication date Sep 8, 2016
    • MITSUBISHI STEEL MFG. CO., LTD.
    • Daisuke HIGUCHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    OPENING AND CLOSING DEVICE, AND ELECTRONIC DEVICE
    • Publication number 20160066451
    • Publication date Mar 3, 2016
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SUSPENSION COIL SPRING AND STRUT TYPE SUSPENSION
    • Publication number 20160046165
    • Publication date Feb 18, 2016
    • Mitsubishi Steel Mfg. Co., Ltd
    • Masanori SANO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    OPENING AND CLOSING DEVICE, AND ELECTRONIC DEVICE
    • Publication number 20160044808
    • Publication date Feb 11, 2016
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yasuhiro MITSUI
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DOOR STOPPER AND ROD LOCKING MECHANISM
    • Publication number 20160002967
    • Publication date Jan 7, 2016
    • Mitsubishi Steel Mfg. Co., Ltd
    • Takao ENDO
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DEVICE AND METHOD FOR FORMING END OF COILED SPRING
    • Publication number 20150101699
    • Publication date Apr 16, 2015
    • Mitsubishi Steel Mfg. Co., Ltd
    • Takashi Eto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SPRING UNIT AND SLIDE MECHANISM
    • Publication number 20150030267
    • Publication date Jan 29, 2015
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPRING UNIT AND SLIDE MECHANISM
    • Publication number 20140373655
    • Publication date Dec 25, 2014
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yasuhiro Mitsui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPENING AND CLOSING DEVICE
    • Publication number 20140352221
    • Publication date Dec 4, 2014
    • Mitsubishi Steel Mfg. Co. Ltd.
    • Yasuhiro Mitsui
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SPRING UNIT AND SLIDING MECHANISM
    • Publication number 20140301678
    • Publication date Oct 9, 2014
    • Mitsubishi Steel Mfg. Co., Ltd
    • Tetsuya Katsuta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ANTENNA DEVICE
    • Publication number 20140232610
    • Publication date Aug 21, 2014
    • Mitsubishi Steel Mfg. Co., Ltd
    • Yoko Shigemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FILM-LIKE MEMBER AND ATTACHING METHOD THEREOF
    • Publication number 20130222189
    • Publication date Aug 29, 2013
    • Mitsubishi Steel Mfg. Co., Ltd
    • Toru Hirokane
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    COVER MECHANISM FOR OPENING AND CLOSING DEVICE
    • Publication number 20130192140
    • Publication date Aug 1, 2013
    • MITSUBISHI STEEL MFG. CO.,LTD.
    • Hironobu Sayama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    HINGE MECHANISM
    • Publication number 20130160243
    • Publication date Jun 27, 2013
    • Mitsubishi Steel Mfg. Co., Ltd
    • Judou Kakizaki
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    OPENING/CLOSING DEVICE
    • Publication number 20130160244
    • Publication date Jun 27, 2013
    • Mitsubishi Steel Mfg. Co., Ltd
    • Hironobu Sayama
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES