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Kunihiko Shimizu
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lens barrel
Patent number
12,228,751
Issue date
Feb 18, 2025
Nikon Corporation
Kunihiko Shimizu
G02 - OPTICS
Information
Patent Grant
Lens barrel
Patent number
12,099,253
Issue date
Sep 24, 2024
Nikon Corporation
Kunihiko Shimizu
G02 - OPTICS
Information
Patent Grant
Lens barrel and camera body
Patent number
11,733,478
Issue date
Aug 22, 2023
Nikon Corporation
Koji Nagaoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Lens barrel and camera body
Patent number
10,795,117
Issue date
Oct 6, 2020
Nikon Corporation
Koji Nagaoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical system and optical device provided therewith
Patent number
10,466,453
Issue date
Nov 5, 2019
Nikon Corporation
Hiroyuki Ishigami
G02 - OPTICS
Information
Patent Grant
Light shielding structure of an optical device
Patent number
7,835,088
Issue date
Nov 16, 2010
Hoya Corporation
Hiroshi Nomura
G02 - OPTICS
Information
Patent Grant
Solid electrolytic capacitor and method of manufacturing same
Patent number
7,835,138
Issue date
Nov 16, 2010
NEC Tokin Corporation
Daisuke Yamashita
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image pickup device mounting structure for saving space in an optic...
Patent number
7,645,981
Issue date
Jan 12, 2010
Hoya Corporation
Hitoshi Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solid electrolytic capacitor and method of manufacturing the same
Patent number
7,619,876
Issue date
Nov 17, 2009
NEC TOKIN Corporation
Kunihiko Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fixing method for resin lens
Patent number
7,468,848
Issue date
Dec 23, 2008
Hoya Corporation
Kunihiko Shimizu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Chip-type solid state electrolytic capacitor
Patent number
D570283
Issue date
Jun 3, 2008
NEC TOKIN Corporation
Katsuhiro Yoshida
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Step-zoom lens
Patent number
6,940,658
Issue date
Sep 6, 2005
PENTAX Corporation
Hitoshi Tanaka
G02 - OPTICS
Information
Patent Grant
Cam mechanism for lens barrel
Patent number
6,906,871
Issue date
Jun 14, 2005
PENTAX Corporation
Hitoshi Tanaka
G02 - OPTICS
Information
Patent Grant
Nb solid electrolytic capacitor and method for preparing the same
Patent number
6,850,406
Issue date
Feb 1, 2005
NEC Tokin Corporation
Tadamasa Asami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fabrication method of solid electrolytic capacitor
Patent number
6,464,738
Issue date
Oct 15, 2002
NEC TOKIN Corporation
Kunihiko Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LENS BARREL
Publication number
20210278571
Publication date
Sep 9, 2021
Nikon Corporation
Kunihiko SHIMIZU
G02 - OPTICS
Information
Patent Application
LENS BARREL
Publication number
20210181458
Publication date
Jun 17, 2021
Nikon Corporation
Kunihiko SHIMIZU
G02 - OPTICS
Information
Patent Application
LENS BARREL AND CAMERA BODY
Publication number
20200409032
Publication date
Dec 31, 2020
Nikon Corporation
Koji NAGAOKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LENS BARREL AND CAMERA BODY
Publication number
20180307004
Publication date
Oct 25, 2018
Nikon Corporation
Koji NAGAOKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SYSTEM AND OPTICAL DEVICE PROVIDED THEREWITH
Publication number
20150226930
Publication date
Aug 13, 2015
NIKON CORPORATION
Hiroyuki ISHIGAMI
G02 - OPTICS
Information
Patent Application
LIGHT SHIELDLING STRUCTURE OF AN OPTICAL DEVICE
Publication number
20090207505
Publication date
Aug 20, 2009
HOYA CORPORATION
Hiroshi NOMURA
G02 - OPTICS
Information
Patent Application
Solid electrolytic capacitor
Publication number
20090116173
Publication date
May 7, 2009
NEC Tokin Corporation
Kunihiko Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SAME
Publication number
20090059479
Publication date
Mar 5, 2009
Daisuke YAMASHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME
Publication number
20080310081
Publication date
Dec 18, 2008
NEC Tokin Corporation
Kunihiko SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIXING METHOD FOR RESIN LENS
Publication number
20070258155
Publication date
Nov 8, 2007
PENTAX CORPORATION
Kunihiko SHIMIZU
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
IMAGE PICKUP DEVICE MOUNTING STRUCTURE
Publication number
20070096234
Publication date
May 3, 2007
PENTAX CORPORATION
Hitoshi TANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Direct methanol type fuel cell power generator and operating method...
Publication number
20050214601
Publication date
Sep 29, 2005
NEC Tokin Corporation
Kunihiko Shimizu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Separator and direct methanol type fuel cell therewith
Publication number
20050191517
Publication date
Sep 1, 2005
Kunihiko Shimizu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Membrane electrode assembly, manufacturing process therefor and dir...
Publication number
20050100778
Publication date
May 12, 2005
Kunihiko Shimizu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Membrane electrode assembly, manufacturing process therefor and sol...
Publication number
20050003255
Publication date
Jan 6, 2005
Kunihiko Shimizu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Unit cell for fuel cell and fuel cell therewith
Publication number
20040209145
Publication date
Oct 21, 2004
Takashi Mizukoshi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Step-zoom lens
Publication number
20040114257
Publication date
Jun 17, 2004
PENTAX CORPORATION
Hitoshi Tanaka
G02 - OPTICS
Information
Patent Application
Cam mechanism for lens barrel
Publication number
20040114252
Publication date
Jun 17, 2004
PENTAX CORPORATION
Hitoshi Tanaka
G02 - OPTICS
Information
Patent Application
Nb solid electrolytic capacitor and method for preparing the same
Publication number
20030142465
Publication date
Jul 31, 2003
NEC TOKIN CORPORATION
Tadamasa Asami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...