Inventor · Tokyo, JP

Yuichi Egawa

9Patents
7h-index
8Co-inventors
52Inventor score

Filing activity: Oct 28, 1992 → Jul 31, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5436481A MOS-type semiconductor device and method of making the same Electricity 131 Expired
US5424978A Non-volatile semiconductor memory cell capable of storing more than two different data and method of using the same Physics 127 Expired
US6917076B2 Semiconductor device, a method of manufacturing the semiconductor device and a method of deleting information from the semiconductor device Electricity 17 Expired
US6657229B1 Semiconductor device having multiple transistors sharing a common gate Electricity 16 Expired
US6118145A Semiconductor device and manufacturing method thereof Electricity 11 Expired
US6066886A Semiconductor wafer in which redundant memory portion is shared by two neighboring semiconductor memory portions and is connected to the semiconductor memory portions Electricity 11 Expired
US5770874A High density semiconductor memory device Emerging Cross-Sectional Technologies 7 Expired
US5313418A Semiconductor memory and memorizing method to read only semiconductor memory Physics 6 Expired
US5438214A Metal oxide semiconductor device having a common gate electrode for N and P channel MOS transistors Electricity 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.