Masafumi Yamazaki

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Okaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Focus detecting system
- Patent number 4,974,008
- Issue date Nov 27, 1990
- Olympus Optical Co., Ltd.
- Toshiki Nakayama
- G02 - OPTICS
Information Patent Grant
Apparatus for detecting an in-focused condition of optical systems
- Patent number 4,331,864
- Issue date May 25, 1982
- Olympus Optical Company Limited
- Yoshio Nakajima
- G02 - OPTICS
Information Patent Grant
Reversed image sensing apparatus
- Patent number 4,326,217
- Issue date Apr 20, 1982
- Olympus Optical Co. Limited
- Teruo Iwasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for detecting the in-focusing conditions
- Patent number 4,314,150
- Issue date Feb 2, 1982
- Olympus Optical Company Limited
- Shuichi Takayama
- G02 - OPTICS
Information Patent Grant
Photometric system
- Patent number 4,302,780
- Issue date Nov 24, 1981
- Olympus Optical Company Limited
- Masafumi Yamazaki
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for detecting the in-focusing conditions
- Patent number 4,289,959
- Issue date Sep 15, 1981
- Olympus Optical Company Limited
- Shuichi Takayama
- G02 - OPTICS
Information Patent Grant
Projection apparatus for optical systems
- Patent number 4,242,703
- Issue date Dec 30, 1980
- Olympus Optical Co., Ltd.
- Kosaku Tsuboshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE