Tomio Abiru

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber having improved hydrogen resistance
- Patent number 6,647,190
- Issue date Nov 11, 2003
- Fujikura Ltd.
- Shoichiro Matsuo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Dispersion shifted optical fiber
- Patent number 6,546,177
- Issue date Apr 8, 2003
- Fujikura Ltd.
- Shoichiro Matsuo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Multimode optical fiber with a higher order mode removing function
- Patent number 6,535,678
- Issue date Mar 18, 2003
- Fujikura Ltd.
- Ryozo Yamauchi
- G02 - OPTICS
Information Patent Grant
Optical-fiber coupler and manufacturing process therefor
- Patent number 5,848,208
- Issue date Dec 8, 1998
- Fujikura Ltd.
- Fumio Suzuki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
HOLE DIAMETER MEASURING METHOD AND DEVICE FOR HOLEY OPTICAL FIBER,...
- Publication number 20110132037
- Publication date Jun 9, 2011
- FUJIKURA LTD.
- Itaru ISHIDA
- G02 - OPTICS
Information Patent Application
Optical fiber
- Publication number 20020061175
- Publication date May 23, 2002
- Shoichiro Matsuo
- C03 - GLASS MINERAL OR SLAG WOOL