Iwao Ishida

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Izumi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device detecting focus of a taking lens without decrease in focus d...
- Patent number 6,686,577
- Issue date Feb 3, 2004
- Minolta Co., Ltd.
- Akio Kinba
- G02 - OPTICS
Information Patent Grant
Optical sensor and optical unit
- Patent number 6,528,778
- Issue date Mar 4, 2003
- Minolta Co., Ltd.
- Akio Kimba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distance detecting device for an optical system
- Patent number 6,369,854
- Issue date Apr 9, 2002
- Minolta Co., Ltd.
- Iwao Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telescope having mechanism for automatically returning optical syst...
- Patent number 5,610,761
- Issue date Mar 11, 1997
- Minolta Co., Ltd.
- Kenji Ishibashi
- G02 - OPTICS
Information Patent Grant
Binocular
- Patent number 5,235,458
- Issue date Aug 10, 1993
- Minolta Camera Kabushiki Kaisha
- Katsuhito Akagi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DETECTING DEVICE REDUCING DETECTION ERRORS CAUSED BY SIGNALS GENERA...
- Publication number 20010040637
- Publication date Nov 15, 2001
- IWAO ISHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Focus detecting device
- Publication number 20010023917
- Publication date Sep 27, 2001
- MINOLTA CO., LTD.
- Akio Kinba
- G02 - OPTICS