Takayasu Shishido

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mount shift apparatus of lens for CCTV camera
- Patent number 6,154,255
- Issue date Nov 28, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Takayasu Shishido
- G02 - OPTICS
Information Patent Grant
ND filter
- Patent number 6,078,442
- Issue date Jun 20, 2000
- Asahi Seimitsu Kabushiki Kaisha
- Eijiroh Tada
- G02 - OPTICS
Information Patent Grant
Color separation prism assembly for C-mount camera
- Patent number 5,668,664
- Issue date Sep 16, 1997
- Asahi Seimitsu Kabushiki Kaisha
- Takayasu Shishido
- G02 - OPTICS
Information Patent Grant
Aberration correcting plate for interchangeable lens
- Patent number 5,602,682
- Issue date Feb 11, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Ito
- G02 - OPTICS
Information Patent Grant
Lens barrel with screw mount
- Patent number 5,160,956
- Issue date Nov 3, 1992
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Kenji Watanabe
- G02 - OPTICS