Yukimasa Koishikawa

NE Nec Electronics: 2 patents #25 of 322Top 8%

Overall (2003): #34,761 of 273,478Top 15%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6632715	Semiconductor device having nonvolatile memory cell and field effect transistor	—	2003-10-14
6613631	Method of forming a non-volatile semiconductor memory device with a tunnel barrier film defined by side walls	—	2003-09-02