TREA

Sigma Enterprises, Incorporated

Follow

Organization

  • Tokyo, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Multiline slot machine
    • Patent number RE34244
    • Issue date May 11, 1993
    • Sigma Enterprises, Inc.
    • Takahashi Hagiwara
    • 273 - Amusement devices: games
  • Information Patent Grant

    Roulette playing device
    • Patent number 4,989,873
    • Issue date Feb 5, 1991
    • Sigma Enterprises, Incorporated
    • Katsuki Manabe
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Roulette playing device
    • Patent number 4,906,005
    • Issue date Mar 6, 1990
    • Sigma Enterprises, Incorporated
    • Katsuki Manabe
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Roulette playing device
    • Patent number 4,869,505
    • Issue date Sep 26, 1989
    • Sigma Enterprises, Incorporated
    • Katsuki Manabe
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Multiline slot machine
    • Patent number 4,838,552
    • Issue date Jun 13, 1989
    • Sigma Enterprises, Incorporated
    • Takashi Hagiwara
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Slot machine
    • Patent number 4,805,907
    • Issue date Feb 21, 1989
    • Sigma Enterprises, Incorporated
    • Takashi Hagiwara
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Control device for game machine
    • Patent number 4,679,143
    • Issue date Jul 7, 1987
    • Sigma Enterprises, Inc.
    • Takashi Hagiwara
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Optoelectronic coin entry sensing system for coin operated machines
    • Patent number 4,565,275
    • Issue date Jan 21, 1986
    • Sigma Enterprises Incorporated
    • Takashi Hagiwara
    • G07 - CHECKING-DEVICES

Trademarklast 30 trademarks

  • Information Trademark

    73493237 - SIGMA
    • Serial number 73493237
    • Registration number 1374884
    • Filing date Aug 3, 1984
    • SIGMA ENTERPRISES, INC.
    • 28 - Games and playthings
  • Information Trademark

    73403136 - SPIDERS
    • Serial number 73403136
    • Filing date Nov 18, 1982
    • SIGMA ENTERPRISES, INC.
    • 28 - Games and playthings