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Toshihiro Hamamura
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Digital camera
Patent number
D588179
Issue date
Mar 10, 2009
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Digital camera
Patent number
D560240
Issue date
Jan 22, 2008
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Digital camera
Patent number
D536013
Issue date
Jan 30, 2007
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Digital camera
Patent number
D533574
Issue date
Dec 12, 2006
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Digital camera
Patent number
D504451
Issue date
Apr 26, 2005
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Binoculars
Patent number
D503730
Issue date
Apr 5, 2005
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Binoculars
Patent number
D487761
Issue date
Mar 23, 2004
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Spotting scope
Patent number
D479255
Issue date
Sep 2, 2003
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment
Information
Patent Grant
Viewer for stereograph
Patent number
D479260
Issue date
Sep 2, 2003
PENTAX Corporation
Toshihiro Hamamura
D16 - Photography and optical equipment