YW

Yukihiro Watsuji

SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
Overall (All Time): #1,052,952 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5798546 Nonvolatile semiconductor device Akira Maruyama 1998-08-25
5654920 Nonvolatile semiconductor storage system Akira Maruyama 1997-08-05
5574686 Nonvolatile semiconductor storage system Akira Maruyama 1996-11-12
5475249 Nonvolatile semiconductor device to erase with a varying potential difference Akira Maruyama 1995-12-12
5432738 Nonvolatile semiconductor storage system Akira Maruyama 1995-07-11