BENKAN CORPORATION

Organization

  • TOKYO, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve for controlling flow rate of gas

    • Patent number 6,321,780
    • Issue date Nov 27, 2001
    • Benkan Corporation
    • Toshiaki Iwabuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Integrated gas control device

    • Patent number 6,216,739
    • Issue date Apr 17, 2001
    • Benkan Corporation
    • Yoshitomo Fukushima
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Gas controlling device for integration

    • Patent number 6,073,646
    • Issue date Jun 13, 2000
    • Benkan Corporation
    • Miyoshi Kimura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Integrated gas control device

    • Patent number 6,012,479
    • Issue date Jan 11, 2000
    • Benkan Corporation
    • Yoshitomo Fukushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve for regulating gas flow in semiconductor manufacturing

    • Patent number 5,755,255
    • Issue date May 26, 1998
    • Benkan Corporation
    • Toshiaki Iwabuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coupling for drainage pipings

    • Patent number 5,752,548
    • Issue date May 19, 1998
    • Benkan Corporation
    • Shigeyuki Matsumoto
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Vacuum exhaust valve

    • Patent number 5,678,595
    • Issue date Oct 21, 1997
    • Benkan Corporation
    • Toshiaki Iwabuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe joint

    • Patent number 5,658,021
    • Issue date Aug 19, 1997
    • Benkan Corporation
    • Shigeyuki Matsumoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Slow vent valve

    • Patent number 5,390,895
    • Issue date Feb 21, 1995
    • Benkan Corporation
    • Toshiaki Iwabuchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal diaphragm valve

    • Patent number 5,326,078
    • Issue date Jul 5, 1994
    • Benkan Corporation
    • Miyoshi Kimura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal diaphragm valve with lock mechanism

    • Patent number 5,295,660
    • Issue date Mar 22, 1994
    • Benkan Corporation
    • Katsuhiko Honma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal diaphragm valve

    • Patent number 5,112,027
    • Issue date May 12, 1992
    • Benkan Corporation
    • Takaomi Hanyu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal diaphragm valve

    • Patent number 5,108,069
    • Issue date Apr 28, 1992
    • Benkan Corporation
    • Kouki Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drainpipe joint

    • Patent number 4,998,754
    • Issue date Mar 12, 1991
    • Benkan Corporation
    • Shigeyuki Matsumoto
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    ASSEMBLY TOY

    • Publication number 20180056208
    • Publication date Mar 1, 2018
    • BENKAN CORPORATION
    • Masanori NAKASHIMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Integrated gas control device

    • Publication number 20020017329
    • Publication date Feb 14, 2002
    • BENKAN CORPORATION
    • Yoshitomo Fukushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

  • Information Trademark

    79183188 - TUBLOCK

    • Serial number 79183188
    • Registration number 5019938
    • Filing date Dec 22, 2015
    • BENKAN Corporation
    • 28 - Games and playthings
  • Information Trademark

    73828023 - CU-PRESS

    • Serial number 73828023
    • Registration number 1594865
    • Filing date Sep 27, 1989
    • BENKAN CORPORATION
    • 6 - Common metals and their alloys