Hiroaki Oonuma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber splicing method
- Patent number 6,860,119
- Issue date Mar 1, 2005
- The Furukawa Electric Co., Ltd.
- Tetsuo Suzuki
- G02 - OPTICS
Information Patent Grant
Optical fiber and optical transmission line
- Patent number 6,665,482
- Issue date Dec 16, 2003
- The Furakawa Electric Co., Ltd.
- Mitsuhiro Kawasaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber and optical transmission line
- Publication number 20040223714
- Publication date Nov 11, 2004
- Mitsuhiro Kawasaki
- G02 - OPTICS
Information Patent Application
Optical fiber splicing method
- Publication number 20020197028
- Publication date Dec 26, 2002
- Tetsuo Suzuki
- G02 - OPTICS
Information Patent Application
Optical fiber and optical transmission line
- Publication number 20020154876
- Publication date Oct 24, 2002
- Mitsuhiro Kawasaki
- G02 - OPTICS