Katsuyuki Seto

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Sakura, JP

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Patents Grantslast 30 patents

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
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
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
Optical fiber cable
- Patent number 4,804,245
- Issue date Feb 14, 1989
- Fujikura Ltd.
- Hiroichi Katayose
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE
- Publication number 20210124138
- Publication date Apr 29, 2021
- FUJIKURA LTD.
- Yoshihiro Tabata
- 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
Optical fiber bundle unit for transmitting ultraviolet light
- Publication number 20020172479
- Publication date Nov 21, 2002
- Ken-Ichi Nakatate
- G02 - OPTICS