Yuying Bai

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for calibrating spot color
- Patent number 9,056,511
- Issue date Jun 16, 2015
- Peking University Founder Group Co., Ltd.
- Haifeng Li
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and device for measuring total amount of ink in ink-jet prin...
- Patent number 8,876,250
- Issue date Nov 4, 2014
- Peking University Founder Group Co., Ltd.
- Haifeng Li
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR CALIBRATING SPOT COLOR
- Publication number 20140139585
- Publication date May 22, 2014
- PEKING UNIVERSITY FOUNDER GROUP CO., LTD.
- Haifeng Li
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD AND DEVICE FOR MEASURING TOTAL AMOUNT OF INK IN INK-JET PRIN...
- Publication number 20140125727
- Publication date May 8, 2014
- Haifeng Li
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS