Fumiaki Hanawa

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical connector plug
- Patent number 8,764,313
- Issue date Jul 1, 2014
- NTT Electronics Corporation
- Koichi Arishima
- G02 - OPTICS
Information Patent Grant
Optical element module with a primary coated optical fiber
- Patent number 7,086,789
- Issue date Aug 8, 2006
- NTT Electronics Corporation
- Nobuo Tomita
- G02 - OPTICS
Information Patent Grant
Optical waveguide circuit, its manufacturing method and optical wav...
- Patent number 6,304,687
- Issue date Oct 16, 2001
- Nippon Telegraph and Telephone Corporation
- Yasuyuki Inoue
- G02 - OPTICS
Information Patent Grant
Guided-wave circuit module and wave-guiding optical component equip...
- Patent number 5,327,517
- Issue date Jul 5, 1994
- Nippon Telegraph & Telephone Corporation
- Yasufumi Yamada
- G02 - OPTICS
Information Patent Grant
Fabrication methods of doped silica glass and optical fiber preform...
- Patent number 4,414,012
- Issue date Nov 8, 1983
- Nippon Telegraph & Telephone Public Corporation
- Shoichi Suto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of fabricating multi-mode optical fiber preforms
- Patent number 4,367,085
- Issue date Jan 4, 1983
- Nippon Telegraph & Telephone Public Corporation
- Shoichi Suto
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL CONNECTOR PLUG
- Publication number 20120219253
- Publication date Aug 30, 2012
- NTT ELECTRONICS CORPORATION
- Koichi Arishima
- G02 - OPTICS
Information Patent Application
Optical element module
- Publication number 20040202434
- Publication date Oct 14, 2004
- Nobuo Tomita
- G02 - OPTICS