TREA

Masahiro Shimamura

Follow

Person

  • Yokohama-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Die for ironing working and die module
    • Patent number 12,343,778
    • Issue date Jul 1, 2025
    • Toyo Seikan Group Holdings, Ltd.
    • Takuho Kumagai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Jig for metal plastic working
    • Patent number 12,036,597
    • Issue date Jul 16, 2024
    • Toyo Seikan Group Holdings, Ltd.
    • Takuho Kumagai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metallic worked articles
    • Patent number 11,745,245
    • Issue date Sep 5, 2023
    • Toyo Seikan Group Holdings, Ltd.
    • Takuho Kumagai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Diamond surface polishing method and apparatus for implementing same
    • Patent number 10,155,293
    • Issue date Dec 18, 2018
    • Toyo Seikan Group Holdings, Ltd.
    • Masahiro Shimamura
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    MACHINING JIG, MACHINING METHOD, AND METHOD OF MANUFACTURING SEAMLE...
    • Publication number 20230286032
    • Publication date Sep 14, 2023
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Ryozo SHIROISHI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MANUFACTURING BOTTOMED CYLINDRICAL BODY
    • Publication number 20230119966
    • Publication date Apr 20, 2023
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Ryozo SHIROISHI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MANUFACTURING BOTTOMED CYLINDRICAL BODY
    • Publication number 20230122197
    • Publication date Apr 20, 2023
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Ryozo SHIROISHI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PRESSING DIE AND PRESS WORKING METHOD
    • Publication number 20210394248
    • Publication date Dec 23, 2021
    • TOYO SEIKAN GROUP HOLDONGS, LTD.
    • Takuho KUMAGAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MACHINING JIG, MACHINING METHOD, AND METHOD OF MANUFACTURING SEAMLE...
    • Publication number 20210354191
    • Publication date Nov 18, 2021
    • TOYO SEIKAN GROUP HOLDONGS, LTD.
    • Ryozo SHIROISHI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    JIG FOR METAL PLASTIC WORKING
    • Publication number 20210354186
    • Publication date Nov 18, 2021
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Takuho KUMAGAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DIE FOR IRONING WORKING AND DIE MODULE
    • Publication number 20210069767
    • Publication date Mar 11, 2021
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Takuho Kumagai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    METALLIC WORKED ARTICLES
    • Publication number 20210023603
    • Publication date Jan 28, 2021
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Takuho KUMAGAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DIE FOR IRONING WORKING AND DIE MODULE
    • Publication number 20180229287
    • Publication date Aug 16, 2018
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Takuho KUMAGAI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DIAMOND SURFACE POLISHING METHOD AND APPARATUS FOR IMPLEMENTING SAME
    • Publication number 20180021912
    • Publication date Jan 25, 2018
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Masahiro Shimamura
    • B24 - GRINDING POLISHING