Toshihiko Ohta

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical component
- Patent number 6,542,666
- Issue date Apr 1, 2003
- The Furukawa Electric Co., Ltd.
- Toshiaki Tsuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrayed waveguide grating type optical multiplexer/demultiplexer
- Patent number 6,404,946
- Issue date Jun 11, 2002
- The Furukawa Electric Co., Ltd.
- Takeshi Nakajima
- G02 - OPTICS
Information Patent Grant
Optical waveguide circuit, and method for compensating the light tr...
- Patent number 6,377,723
- Issue date Apr 23, 2002
- The Furukawa Electric Co., Ltd.
- Tsunetoshi Saito
- G02 - OPTICS
Information Patent Grant
Optical waveguide component with a molded resin portion having accu...
- Patent number 5,414,786
- Issue date May 9, 1995
- The Furukawa Electric Co., Ltd.
- Toshihiko Ohta
- G02 - OPTICS
Information Patent Grant
Method of connecting optical waveguide and optical fiber
- Patent number 5,361,382
- Issue date Nov 1, 1994
- The Furukawa Electric Co., Ltd.
- Shirou Nakamura
- G02 - OPTICS
Information Patent Grant
Method for stacking ferrules of a stacked-type optical connector an...
- Patent number 5,222,168
- Issue date Jun 22, 1993
- The Furukawa Electric Co., Ltd.
- Masami Saito
- G02 - OPTICS
Information Patent Grant
Optical switching connector
- Patent number 5,185,825
- Issue date Feb 9, 1993
- The Furukawa Electric Co., Ltd.
- Takashi Shigematsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Fiber-based optical component
- Publication number 20030035624
- Publication date Feb 20, 2003
- Keiichiro Saito
- G02 - OPTICS
Information Patent Application
Optical component
- Publication number 20020025115
- Publication date Feb 28, 2002
- Toshiaki Tsuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical component
- Publication number 20010036335
- Publication date Nov 1, 2001
- Toshiaki Tsuda
- G02 - OPTICS