Shigeharu Uda

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Invisible junction feature recognition for document security or ann...
- Patent number 9,373,029
- Issue date Jun 21, 2016
- Ricoh Co., Ltd.
- Jonathan J. Hull
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Invisible Junction Feature Recognition For Document Security or Ann...
- Publication number 20090016615
- Publication date Jan 15, 2009
- RICOH CO., LTD.
- Jonathan J. Hull
- G06 - COMPUTING CALCULATING COUNTING