Kazuyoshi Koizumi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Damper device
- Patent number 8,827,056
- Issue date Sep 9, 2014
- Nifco Inc.
- Kazuyoshi Koizumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary damper
- Patent number 7,938,238
- Issue date May 10, 2011
- NIFCO Inc.
- Kazuyoshi Koizumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary damper
- Patent number D539296
- Issue date Mar 27, 2007
- Nifco Inc.
- Ken Hayashi
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Rotary damper
- Patent number D486833
- Issue date Feb 17, 2004
- Nifco Inc.
- Kazuyoshi Koizumi
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Rotary damper
- Patent number 5,522,485
- Issue date Jun 4, 1996
- Nifco Inc.
- Norio Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
DAMPER DEVICE
- Publication number 20120217107
- Publication date Aug 30, 2012
- NIFCO INC.
- Kazuyoshi Koizumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DAMPER DEVICE
- Publication number 20120211317
- Publication date Aug 23, 2012
- NIFCO INC.
- Kazuyoshi Koizumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ROTATION DAMPER
- Publication number 20090277735
- Publication date Nov 12, 2009
- Keiji Yamaguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Rotating damper
- Publication number 20060207844
- Publication date Sep 21, 2006
- NIFCO INC.
- Kazuyoshi Koizumi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...