Akitoshi Yoshinaga

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical communication apparatus with base for fixing elements
- Patent number 5,026,134
- Issue date Jun 25, 1991
- Kabushiki Kaisha Toshiba
- Mitsuru Sugawara
- G02 - OPTICS
Information Patent Grant
Optical fiber communication connection device
- Patent number 4,997,252
- Issue date Mar 5, 1991
- Kabushiki Kaisha Toshiba
- Mitsuru Sugawara
- G02 - OPTICS
Information Patent Grant
Optical fiber alignment device
- Patent number 4,989,943
- Issue date Feb 5, 1991
- Kabushiki Kaisha Toshiba
- Akitoshi Yoshinaga
- G02 - OPTICS