Kunio Tada

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Saitama-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Integrated semiconductor laser apparatus
- Patent number 5,787,105
- Issue date Jul 28, 1998
- Nikon Corporation
- Kazuya Okamoto
- G02 - OPTICS
Information Patent Grant
Distributed feedback semiconductor laser
- Patent number 5,289,494
- Issue date Feb 22, 1994
- Optical Measurement Technology Development Co., Ltd.
- Kunio Tada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical functional device with parabolic wells
- Patent number 5,153,687
- Issue date Oct 6, 1992
- Furukawa Electric Co., Ltd.
- Takuya Ishikawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical directional coupler switch
- Patent number 5,119,449
- Issue date Jun 2, 1992
- NEC Corporation
- Keiro Komatsu
- G02 - OPTICS
Information Patent Grant
Semiconductor laser
- Patent number 5,077,752
- Issue date Dec 31, 1991
- Optical Measurement Technology Development Co., Ltd.
- Kunio Tada
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical switch
- Patent number 4,832,430
- Issue date May 23, 1989
- Hitachi, Ltd.
- Kunio Tada
- G02 - OPTICS
Information Patent Grant
Light modulation device
- Patent number 4,685,763
- Issue date Aug 11, 1987
- Sumitomo Electric Industries, Ltd.
- Kunio Tada
- G02 - OPTICS