Takuji Satoh

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Suginami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scanning projection optical device
- Patent number 5,673,135
- Issue date Sep 30, 1997
- Kabushiki Kaisha Topcon
- Hisakazu Yoshino
- G02 - OPTICS
Information Patent Grant
Wide-field exposure optical system
- Patent number 5,448,416
- Issue date Sep 5, 1995
- Kabushiki Kaisha Topcon
- Toshiki Okumura
- G02 - OPTICS
Information Patent Grant
Interferometer for measuring aspherical form with the utilization o...
- Patent number 5,039,223
- Issue date Aug 13, 1991
- Kabushiki Kaisha Topcon
- Takashi Gemma
- G01 - MEASURING TESTING
Information Patent Grant
Method of and apparatus for analyzing interference fringes
- Patent number 4,848,907
- Issue date Jul 18, 1989
- Tokyo Kogaku Kikai Kabushiki
- Takashi Yokokura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Holographic interferometer
- Patent number 4,812,042
- Issue date Mar 14, 1989
- Takashi Yokokura
- G01 - MEASURING TESTING
Information Patent Grant
Holographic interferometer
- Patent number 4,758,089
- Issue date Jul 19, 1988
- Tokyo Kogaku Kikai Kabushiki Kaisha
- Takashi Yokokura
- G01 - MEASURING TESTING