Patent assignee · JP · COMPANY

Marktec Inc.

5Patents
0Active
5Granted
25Portfolio score

Filing activity: Jun 14, 2000 → Apr 8, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US7140043B2 Watermark embedding and detecting method by quantization of a characteristic value of a signal Physics 28 Expired
US6525315B1 Ultraviolet light permeable filter for flaw detection light, and method for detection of flaws Physics 5 Expired
US6705874B1 Colored magnetic particles for magnetophoretic display and method for manufacturing same Emerging Cross-Sectional Technologies 4 Expired
US6791319B2 Eddy current probe with transverse polygonal detecting coil Physics 4 Expired
US6563126B1 Ultraviolet light permeable filter for flaw detection light and method for detection of flaws Physics 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.