US Patent No: D436260

Number of patents in Portfolio can not be more than 2000

Chair

Stats

ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
OKAMURA CORPORATIONKANAGAWA-KEN192

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagamitsu, Satoshi Higashiyamato, JP 10 373

Cited Art

Patent Info (Count) # Cites Year
 
GLOBAL TOTAL OFFICE (4)
D379408 Chair 35 1996
D408181 Chair 13 1998
D411063 Chair 7 1998
D421861 Chair 14 1999
 
STEELCASE DEVELOPMENT CORPORATION (4)
D355303 Chair 58 1993
D367980 Chair seat 27 1994
6,086,153 Chair with reclineable back and adjustable energy mechanism 71 1997
D414349 Chair 41 1997
 
KLOBER GMBH (2)
D417792 Office chair 43 1998
D418316 Office chair 69 1998
 
LA-Z-BOY INCORPORATED (2)
D372799 Pedestal based executive chair 38 1995
D417102 Pedestal based arm chair 30 1997
 
AISIN SEIKI KABUSHIKI KAISHA (1)
6,074,010 Headrest apparatus for vehicle seat 29 1998
 
CHAIRTECH, S.A. (1)
D379567 Chair 28 1995
 
CHROMCRAFT CORPORATION (1)
D349621 Chair arm 52 1993
 
FEHLBAUM & CO. (1)
D358944 Chair 25 1993
 
GIROFLEX ENTWICKLUNGS AG (1)
D354178 Chair 42 1992
 
HAWORTH, INC. (1)
D407576 Chair 30 1997
 
HOOVER UNIVERSAL, INC. (1)
5,452,939 Upholstery cover and method for positively locating cover during foam molding 8 1993
 
ICON IP, INC. (1)
D337666 Executive-style desk chair for strength training 26 1991
 
KEILHAUER INDUSTRIES LIMITED (1)
D422802 Modular chair 43 1997
 
RAVIV PRECISION INJECTION MOLDING (1)
5,934,755 Adjusting mechanism for a vehicle seat headrest 18 1998
 
RÖDER, PETER (1)
D417101 Chair 29 1997
 
TRUE TEXTILES, INC. (1)
5,405,190 Cover for vehicle head restraint 21 1993
 
WARVEL PRODUCTS, INC., A CORP. OF NC (1)
D395762 Chair 35 1997

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
HERMAN MILLER, INC. (9)
8,414,073 Seating arrangement 0 2007
7,992,936 Seat 1 2007
D591986 Body support structure 3 2007
7,926,879 Load support structure 1 2008
D659417 Chair and components thereof 1 2010
D628832 Body support structure 0 2010
D628831 Body support structure 1 2010
8,282,169 Load support structure 0 2011
8,282,172 Seat 0 2011
 
STEELCASE INC. (7)
D509969 Seating unit 50 2003
D536890 Seating unit 13 2004
D543385 Seat and back arrangement 13 2005
D543396 Back construction 2 2005
D543397 Back construction 18 2005
D534364 Seating unit having armrests 16 2005
D534018 Control for seating unit 0 2005
 
OKAMURA CORPORATION (4)
D476820 Chair 33 2001
D476493 Chair 39 2001
D469618 Chair 31 2001
D489542 Chair 52 2003
 
SEDUS STOLL AG (3)
D488313 Chair 18 2001
D505798 Chair 16 2003
D493292 Work assistant 1 2003
 
TRUE SEATING CONCEPTS, LLC (3)
D538563 Chair arm 1 2006
D538082 Chair arm 1 2006
D539061 Chair arm 4 2006
 
HUMANSCALE CORPORATION (2)
D584908 Twin arm headrest 2 2008
7,980,631 Ergonomic armrest 1 2008
 
KNOLL, INC. (2)
D475544 Chair 29 2002
D471024 Chair 42 2002
 
DAUPHIN ENTWICKLUNGS UND BETAILIGUNGS (1)
D568623 Chair 4 2007
 
HANSSEM CO., LTD. (1)
D510202 Adjustable chair 9 2003
 
ITOKI CORPORATION (1)
D656329 Chair 3 2009
 
MERRYFAIR CHAIR SYSTEM SDN. BDN. (1)
D648947 Chair 2 2010
 
RGE ENGINEERING CO. (1)
D548501 Arm for a chair 0 2006
 
SIDIZ, INC. (1)
D655524 Swivel chair 2 2010
 
SITLAND S.P.A. (1)
D505024 Chair 18 2003
 
STEELCASE DEVELOPMENT CORPORATION (1)
D451294 Chair 17 2001
 
STEELCASE SA (1)
D497264 Seat 13 2003
 
VITRA PATENTE AG (1)
D550976 Chair 8 2006
 
ZHEJIANG HIMAX FURNITURE INDUSTRY CORP. LTD. (1)
D554877 Chair 6 2005
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (8)
D445581 Chair 17 2000
D471388 Armrest 5 2002
D481879 Chair 37 2002
D486656 Chair 34 2003
D496171 Chair 4 2003
D505815 Height adjusting chair arm 6 2004
D610822 Office chair 19 2009
D634558 Chair 7 2010