TREA

Osaka Transformer Co., Ltd.

Follow

Organization

  • JA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas shielded arc welding torch with consumable electrode wire
    • Patent number 4,563,569
    • Issue date Jan 7, 1986
    • Osaka Transformer Co., Ltd.
    • Kousuke Shiramizu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Photovoltaic device
    • Patent number 4,496,788
    • Issue date Jan 29, 1985
    • Osaka Transformer Co., Ltd.
    • Yoshihiro Hamakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode biasing welding torch
    • Patent number 4,482,797
    • Issue date Nov 13, 1984
    • Osaka Transformer Co., Ltd.
    • Kousuke Shiramizu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pulse arc welding method and device in which pulse current and back...
    • Patent number 4,409,465
    • Issue date Oct 11, 1983
    • Osaka Transformer Co., Ltd.
    • Hideyuki Yamamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    A.C. Arc welder
    • Patent number 4,310,744
    • Issue date Jan 12, 1982
    • Osaka Transformer Co., Ltd.
    • Toshiyuki Okada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for shortcircuiting arc welding
    • Patent number 4,125,759
    • Issue date Nov 14, 1978
    • Osaka Transformer Co., Ltd.
    • Michiya Kiyohara
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Automatic arc welder
    • Patent number 4,101,755
    • Issue date Jul 18, 1978
    • Osaka Transformer Co., Ltd.
    • Takafumi Uratani
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Alternating current arc welder
    • Patent number 3,995,137
    • Issue date Nov 30, 1976
    • Osaka Transformer Co., Ltd.
    • Toshiyuki Okada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73426815 - TIGUN
    • Serial number 73426815
    • Filing date May 20, 1983
    • OSAKA TRANSFORMER CO., LTD.
    • 8 - Hand tools and implements (hand-operated)
  • Information Trademark

    73303864 - THOR
    • Serial number 73303864
    • Filing date Apr 2, 1981
    • Osaka Transformer Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73208899 - ACCUTIG 300
    • Serial number 73208899
    • Registration number 1144013
    • Filing date Mar 26, 1979
    • Osaka Transformer Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73208864 - MULTIMODE DC 350
    • Serial number 73208864
    • Registration number 1156191
    • Filing date Mar 26, 1979
    • Osaka Transformer Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73208865 - GEMMY
    • Serial number 73208865
    • Registration number 1147100
    • Filing date Mar 26, 1979
    • Osaka Transformer Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73123213 - BIG JOHN
    • Serial number 73123213
    • Registration number 1249580
    • Filing date Apr 18, 1977
    • Osaka Transformer Co., Ltd.
    • 7 - Machines and machine tools
  • Information Trademark

    73123073 - MAGIC WAND
    • Serial number 73123073
    • Registration number 1118665
    • Filing date Apr 18, 1977
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73123072 - LITTLE JOHN
    • Serial number 73123072
    • Registration number 1118077
    • Filing date Apr 18, 1977
    • OSAKA TRANSFORMER CO., LTD.
    • 7 - Machines and machine tools
  • Information Trademark

    73120958 - FILLETMATIC
    • Serial number 73120958
    • Registration number 1092190
    • Filing date Mar 30, 1977
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73120933 - ELECTRO WEAVER
    • Serial number 73120933
    • Registration number 1094313
    • Filing date Mar 30, 1977
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73120957 - FILLET-BUTT
    • Serial number 73120957
    • Registration number 1126671
    • Filing date Mar 30, 1977
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73120941 - TRANSISTARC
    • Serial number 73120941
    • Registration number 1079761
    • Filing date Mar 30, 1977
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73055073 - OTC
    • Serial number 73055073
    • Registration number 1045822
    • Filing date Jun 13, 1975
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73055072 - AUTOMELT
    • Serial number 73055072
    • Registration number 1031332
    • Filing date Jun 13, 1975
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73055074 - DYNA AUTO
    • Serial number 73055074
    • Registration number 1031333
    • Filing date Jun 13, 1975
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    72368916 - OT
    • Serial number 72368916
    • Registration number 935965
    • Filing date Aug 24, 1970
    • OSAKA TRANSFORMER CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments