KA

Ken Arakawa

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
📍 Nagaoka, JP: #42 of 243 inventorsTop 20%
Overall (All Time): #1,253,582 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7164604 Nonvolatile semiconductor memory 2007-01-16
7151704 Semiconductor memory device 2006-12-19
6940332 Level shift circuit having control circuits for high speed, area saving and power saving Seiji Yamahira, Norio Hattori 2005-09-06
5396390 Magnetic head assembly for floppy disc drive Atsushi Okamura, Ichiro Noguchi 1995-03-07