US Patent No: D335144

Number of patents in Portfolio can not be more than 2000

Writing instrument cap

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ATTORNEY / AGENT: (SPONSORED)

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TOMBOW PENCIL CO., LTD.TOKYO141

International Classification(s)

  • International Classification not provided for expired patents

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Katami, Kazunori Saitama, JP 46 630
Suzuki, Kazuhiko Kawasaki, JP 132 1260

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Prodir, S.A. (2)
D312391 Writing instrument 22 1989
D312838 Writing instrument 9 1989
 
Pentel Kabushiki Kaisha (1)
D325221 Cap for a writing instrument 27 1989
 
Shachihata Industrial Co., Ltd. (1)
D282378 Marking pen 47 1983
 
Other [Check patent profile for assignment information] (1)
D321718 Ball point pen with retractable cap 15 1989

Patent Citation Ranking

  • Citation Ranking not provided for expired patents

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Kotobuki & Co., Ltd. (3)
D394457 Cap for a writing instrument 7 1997
D495745 Cap for writing instrument 12 2003
D583869 Cap for writing instrument 1 2006
 
BEIFA GROUP CO., LTD. (2)
D563469 Pen 20 2006
D591346 Pen 3 2008
 
OMX, INC. (2)
D573643 Cap for marker 5 2007
D572755 Marker and cap 8 2007
 
Prodir, S.A. (2)
D486858 Writing instrument with clip ornament 15 2003
D485300 Writing instrument with clip ornament 13 2003
 
COTAPAXI CUSTOM DESIGN AND MANUFACTURING, LLC (1)
D552686 Pen clip 9 2006
 
Linkeet (1)
D679718 USB flash drive pen 1 2012
 
Pentel Kabushiki Kaisha (1)
D358844 Cap for a writing instrument 24 1993
 
Quadrinvest S.p.A. (1)
D545365 Pen 11 2005
 
RESEARCH IN MOTION LIMITED (1)
D529470 Handset 13 2005
 
Senator GmbH & Co KGaA (1)
D651246 Writing instrument 6 2009
 
VALOR COMMUNICATION, INC. (1)
D590883 Stylus pen 8 2008