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Takashi Tsumanuma
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Sakura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Small bowel endoscope of ileus tube type that enables laser inspect...
Patent number
8,945,195
Issue date
Feb 3, 2015
Japan Atomic Energy Agency
Kiyoshi Oka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Welding observation apparatus
Patent number
8,884,187
Issue date
Nov 11, 2014
Fujikura Ltd.
Kenichi Nakatate
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Display apparatus and lighting window
Patent number
8,870,430
Issue date
Oct 28, 2014
Fujikura Ltd.
Mitsuru Kamikatano
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display apparatus, manufacturing method thereof, pattern display me...
Patent number
8,372,316
Issue date
Feb 12, 2013
Fujikura Ltd.
Mitsuru Kamikatano
F21 - LIGHTING
Information
Patent Grant
Silica-based single core optical fiber, silica-based multi core opt...
Patent number
8,208,774
Issue date
Jun 26, 2012
Fujikura Ltd.
Manabu Kudou
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Silica-based single core optical fiber, silica-based multi core opt...
Patent number
8,208,775
Issue date
Jun 26, 2012
Fujikura Ltd.
Manabu Kudou
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Endoscope system
Patent number
8,189,976
Issue date
May 29, 2012
Fujikura Ltd.
Tomoaki Toriya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical fiber bundle unit for transmitting ultraviolet light
Patent number
7,813,607
Issue date
Oct 12, 2010
Fujikura Ltd.
Ken-ichi Nakatate
G02 - OPTICS
Information
Patent Grant
Illumination device having light guide body
Patent number
7,806,578
Issue date
Oct 5, 2010
Fujikura Ltd.
Mitsuru Kamikatano
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Fiber scope
Patent number
7,734,134
Issue date
Jun 8, 2010
Fujikura Ltd.
Kenichi Nakatate
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Endoscopic system using an extremely fine composite optical fiber
Patent number
7,582,057
Issue date
Sep 1, 2009
Japan Atomic Energy Research Institute
Tomoaki Toriya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Radiation resistant single-mode optical fiber and method of manufac...
Patent number
7,440,673
Issue date
Oct 21, 2008
Fujikura Ltd.
Kazuhiko Aikawa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Multi-core fiber
Patent number
7,418,178
Issue date
Aug 26, 2008
Fujikura Ltd.
Manabu Kudou
G02 - OPTICS
Information
Patent Grant
Image fiber
Patent number
7,221,834
Issue date
May 22, 2007
Fujikura Ltd.
Kenichi Nakatate
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Processing method for an image fiber
Patent number
7,209,617
Issue date
Apr 24, 2007
Fujikura Ltd.
Kenichi Nakatate
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Image fiber
Patent number
7,158,704
Issue date
Jan 2, 2007
Fujikura, Ltd.
Kenichi Nakatate
Information
Patent Grant
Processing method for an image fiber
Patent number
7,072,548
Issue date
Jul 4, 2006
Fujikura Ltd.
Kenichi Nakatate
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber bundle unit for transmitting ultraviolet light
Patent number
6,892,012
Issue date
May 10, 2005
Fujikura, Ltd.
Ken-ichi Nakatate
G02 - OPTICS
Information
Patent Grant
Endoscope ocular with microscope gripping mechanism and endoscope h...
Patent number
6,549,333
Issue date
Apr 15, 2003
Fujikura Ltd.
Ken-ichi Nakatate
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Medical laser treatment device and laser probe for the same
Patent number
6,129,721
Issue date
Oct 10, 2000
J. Morita Manufacturing Corporation
Kenzo Kataoka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Device for stereoscopic visualization including a stereomicroscope...
Patent number
5,742,429
Issue date
Apr 21, 1998
Fujikura Ltd.
Takashi Tsumanuma
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Image fiber, image fiber preform, and manufacturing processes thereof
Patent number
5,048,923
Issue date
Sep 17, 1991
Fujikura, Ltd.
Takashi Tsumanuma
G02 - OPTICS
Information
Patent Grant
Image-transmitting fiber
Patent number
4,896,941
Issue date
Jan 30, 1990
Doryokuro Kakunenryo Kaihatsu Jigyodan
Shotaro Hayashi
G02 - OPTICS
Information
Patent Grant
Heat and radiation resistant optical fiber
Patent number
4,770,493
Issue date
Sep 13, 1988
Doroyokuro Kakunenryo Kaihatsu Jigyodan
Kuniaki Ara
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
DISPLAY APPARATUS AND LIGHTING WINDOW
Publication number
20120033442
Publication date
Feb 9, 2012
FUJIKURA LTD.
Mitsuru KAMIKATANO
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
SILICA-BASED SINGLE CORE OPTICAL FIBER, SILICA-BASED MULTI CORE OPT...
Publication number
20110036124
Publication date
Feb 17, 2011
FUJIKURA LTD.
Manabu Kudou
G02 - OPTICS
Information
Patent Application
WELDING OBSERVATION DEVICE
Publication number
20100206851
Publication date
Aug 19, 2010
Kenichi Nakatate
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
OPTICAL FIBER, OPTICAL FIBER DEVICE, AND OPTICAL FIBER BUNDLE
Publication number
20100152721
Publication date
Jun 17, 2010
Fujikara Ltd.
Takashi Tsumanuma
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
REDUCED SIZE FIBER OPTIC PROBE USING MULTIPLE INCIDENT ANGLES
Publication number
20100119199
Publication date
May 13, 2010
AFL TELECOMMUNICATIONS LLC
Daiichiro Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ENDOSCOPE SYSTEM
Publication number
20100046897
Publication date
Feb 25, 2010
FUJIKURA LTD.
Tomoaki TORIYA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DISPLAY APPARATUS, MANUFACTURING METHOD THEREOF, PATTERN DISPLAY ME...
Publication number
20090286446
Publication date
Nov 19, 2009
FUJIKURA LTD.
Mitsuru KAMIKATANO
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
ILLUMINATION DEVICE HAVING LIGHT GUIDE BODY
Publication number
20090262552
Publication date
Oct 22, 2009
FUJIKURA LTD.
Mitsuru KAMIKATANO
G02 - OPTICS
Information
Patent Application
SILICA-BASED SINGLE CORE OPTICAL FIBER, SILICA-BASED MULTI CORE OPT...
Publication number
20090245742
Publication date
Oct 1, 2009
FUJIKURA LTD.
Manabu Kudou
G02 - OPTICS
Information
Patent Application
LIGHT GUIDE BODY FOR LINEAR LIGHTING EQUIPMENT
Publication number
20090201696
Publication date
Aug 13, 2009
FUJIKURA LTD.
Mitsuru KAMIKATANO
G02 - OPTICS
Information
Patent Application
DISPLAY APPARATUS, MANUFACTURING METHOD THEREOF, PATTERN DISPLAY ME...
Publication number
20090073721
Publication date
Mar 19, 2009
FUJIKURA LTD.
Mitsuru KAMIKATANO
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
MULTI-CORE FIBER
Publication number
20080107386
Publication date
May 8, 2008
FUJIKURA LTD.
Manabu KUDOU
G02 - OPTICS
Information
Patent Application
RADIATION RESISTANT SINGLE-MODE OPTICAL FIBER AND METHOD OF MANUFAC...
Publication number
20070274666
Publication date
Nov 29, 2007
FUJIKURA LTD.
Kazuhiko AIKAWA
G02 - OPTICS
Information
Patent Application
FIBER SCOPE
Publication number
20070081775
Publication date
Apr 12, 2007
FUJIKURA LTD.
Kenichi Nakatate
G02 - OPTICS
Information
Patent Application
Small bowel endoscope of ileus tube type that enables laser inspect...
Publication number
20060190006
Publication date
Aug 24, 2006
Japan Atomic Energy Agency
Kiyoshi Oka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Processing method for an image fiber
Publication number
20060104581
Publication date
May 18, 2006
FUJIKURA LTD.
Kenichi Nakatate
G02 - OPTICS
Information
Patent Application
Optical fiber bundle unit for transmitting ultraviolet light
Publication number
20050238302
Publication date
Oct 27, 2005
Ken-Ichi Nakatate
G02 - OPTICS
Information
Patent Application
Endoscopic system using an extremely fine composite optical fiber
Publication number
20050192480
Publication date
Sep 1, 2005
Japan Atomic Energy Research Institute
Tomoaki Toriya
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Optical apparatus
Publication number
20040055336
Publication date
Mar 25, 2004
FUJIKURA LTD.
Kenichi Nakatate
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image fiber
Publication number
20040042745
Publication date
Mar 4, 2004
FUJIKURA LTD.
Kenichi Nakatate
G02 - OPTICS
Information
Patent Application
Processing method for an image fiber
Publication number
20040042744
Publication date
Mar 4, 2004
FUJIKURA LTD.
Kenichi Nakatate
G02 - OPTICS
Information
Patent Application
Optical fiber bundle unit for transmitting ultraviolet light
Publication number
20020172479
Publication date
Nov 21, 2002
Ken-Ichi Nakatate
G02 - OPTICS