Hitoshi Iijima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Measuring apparatus, measuring method, and method of manufacturing...
- Patent number 9,091,534
- Issue date Jul 28, 2015
- Canon Kabushiki Kaisha
- Hitoshi Iijima
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring the shape of an optical surface...
- Patent number 6,972,850
- Issue date Dec 6, 2005
- Canon Kabushiki Kaisha
- Masaru Ohtsuka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MEASURING APPARATUS, MEASURING METHOD, AND METHOD OF MANUFACTURING...
- Publication number 20130250099
- Publication date Sep 26, 2013
- Canon Kabushiki Kaisha
- Hitoshi Iijima
- G01 - MEASURING TESTING
Information Patent Application
Shape measuring method and apparatus using interferometer
- Publication number 20030169430
- Publication date Sep 11, 2003
- Canon Kabushiki Kaisha
- Masaru Ohtsuka
- G01 - MEASURING TESTING