Tohru Shikano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic diaphragm control device of variable photometry type used...
- Patent number 4,717,960
- Issue date Jan 5, 1988
- Asahi Seimitsu Kabushiki Kaisha
- Tohru Shikano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic diaphragm control device for use IWT CCTV camera
- Patent number 4,562,476
- Issue date Dec 31, 1985
- Asahi Seimitsu Kabushiki Kaisha
- Tohru Shikano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic diaphragm control device for use with CCTV camera
- Patent number 4,562,477
- Issue date Dec 31, 1985
- Asahi Seimitsu Kabushiki Kaisha
- Terumi Ogasawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photometric circuit incorporated in objective provided with automat...
- Patent number 4,547,808
- Issue date Oct 15, 1985
- Asahi Seimitsu Kabushiki Kaisha
- Masayuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic diaphragm control device of objective provided with autom...
- Patent number 4,542,410
- Issue date Sep 17, 1985
- Asahi Seimitsu Kabushiki Kaisha
- Masayuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic diaphragm control device for a closed circuit television...
- Patent number 4,453,185
- Issue date Jun 5, 1984
- Asahi Seimitsu Kabushiki Kaisha
- Tohru Shikano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE