Yoshiyuki Hiramoto

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber end processing method and optical fiber end processin...
- Patent number 8,915,100
- Issue date Dec 23, 2014
- Hitachi Metals, Ltd.
- Masao Tachikura
- G02 - OPTICS
Information Patent Grant
Optical fiber end processing method and optical fiber end processin...
- Patent number 8,764,317
- Issue date Jul 1, 2014
- Hitachi Metals, Ltd.
- Masao Tachikura
- G02 - OPTICS
Information Patent Grant
Filter insertion type of optical branch apparatus
- Patent number 5,949,928
- Issue date Sep 7, 1999
- Hitachi Cable, Ltd.
- Takayuki Kadoi
- G02 - OPTICS
Information Patent Grant
Multi-axis fiber-optic gyroscope assembly in which each gyroscope c...
- Patent number 5,357,339
- Issue date Oct 18, 1994
- Hitachi Cable Limited
- Tatsuo Teraoka
- G01 - MEASURING TESTING
Information Patent Grant
Method of forming cladded cable having fiber with excess length enc...
- Patent number 5,318,215
- Issue date Jun 7, 1994
- Hitachi Cable Ltd.
- Shigeo Toya
- G02 - OPTICS
Information Patent Grant
Method for connecting optical fibers sealed in metal pipes
- Patent number 5,142,763
- Issue date Sep 1, 1992
- Hitachi Cable, Ltd.
- Shigeo Toya
- G02 - OPTICS
Information Patent Grant
Connection structure of optical fibers sealed in metal pipes and me...
- Patent number 5,076,657
- Issue date Dec 31, 1991
- Hitachi Cable Ltd.
- Shigeo Toya
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER END PROCESSING METHOD AND OPTICAL FIBER END PROCESSIN...
- Publication number 20120170901
- Publication date Jul 5, 2012
- Hitachi Cable, Ltd.
- Masao Tachikura
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER END PROCESSING METHOD AND OPTICAL FIBER END PROCESSIN...
- Publication number 20120073330
- Publication date Mar 29, 2012
- Hitachi Cable, Ltd.
- Masao TACHIKURA
- G02 - OPTICS