TREA

Hajime Toyonaga

Follow

Person

  • Osaka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas burner
    • Patent number 5,224,855
    • Issue date Jul 6, 1993
    • Osaka Gas Co., Ltd.
    • Hajime Toyonaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Gas burner
    • Patent number 5,073,106
    • Issue date Dec 17, 1991
    • Osaka Gas Co., Ltd.
    • Hajime Toyonaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES