Junichi Yoshikawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Clamp for use in optical fiber coupler manufacturing apparatus
- Patent number 5,395,101
- Issue date Mar 7, 1995
- Sumitomo Electric Industries, Ltd.
- Hiroaki Takimoto
- G02 - OPTICS
Information Patent Grant
Apparatus and method for removing a coating from a coated linear ma...
- Patent number 5,389,192
- Issue date Feb 14, 1995
- Sumitomo Electric Industries, Ltd.
- Hiroaki Takimoto
- G02 - OPTICS
Information Patent Grant
Reflection monitor optical fiber coupler manufacturing system and m...
- Patent number 5,329,600
- Issue date Jul 12, 1994
- Sumitomo Electric Industries, Ltd.
- Eisuke Sasaoka
- G02 - OPTICS
Information Patent Grant
Apparatus and method for removing a coating from a coated linear ma...
- Patent number 5,306,378
- Issue date Apr 26, 1994
- Sumitomo Electric Industries, Ltd.
- Hiroaki Takimoto
- G02 - OPTICS
Information Patent Grant
Optical-coupler reinforcing material and optical-coupler reinforcin...
- Patent number 5,261,018
- Issue date Nov 9, 1993
- Sumitomo Electric Industries, Ltd.
- Hiroshi Suganuma
- G02 - OPTICS
Information Patent Grant
Reinforcing apparatus for optical-fiber coupler
- Patent number 5,247,598
- Issue date Sep 21, 1993
- Sumitomo Electric Industries, Ltd.
- Hiroaki Takimoto
- G02 - OPTICS