Chiharu Sayama

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Funabashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gaze direction measuring method and gaze direction measuring device
- Patent number 7,862,172
- Issue date Jan 4, 2011
- Hitachi, Ltd.
- Tomoaki Yoshinaga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
RELATIONSHIP ANALYSIS METHOD, RELATIONSHIP ANALYSIS PROGRAM, AND RE...
- Publication number 20100262281
- Publication date Oct 14, 2010
- Yasuhiro SUZUKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE INFORMATION PROCESSING METHOD AND APPARATUS
- Publication number 20100027890
- Publication date Feb 4, 2010
- Tomoaki YOSHINAGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GAZE DIRECTION MEASURING METHOD AND GAZE DIRECTION MEASURING DEVICE
- Publication number 20090109400
- Publication date Apr 30, 2009
- Tomoaki Yoshinaga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE