Tomihiko Aoyama

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Distance measuring device
- Patent number 5,614,984
- Issue date Mar 25, 1997
- Seikosha Co., Ltd.
- Yoichi Seki
- G02 - OPTICS
Information Patent Grant
Device for correcting characteristic errors of a camera
- Patent number 5,371,691
- Issue date Dec 6, 1994
- Seikosha Co., Ltd.
- Yoichi Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flash synchronizing device
- Patent number 5,291,237
- Issue date Mar 1, 1994
- Seikosha Co., Ltd.
- Shigeru Tagami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Distance measuring device and camera having same
- Patent number 5,258,800
- Issue date Nov 2, 1993
- Seikosha Co., Ltd.
- Yoichi Seki
- G02 - OPTICS