KT

Kiichi Tanaka

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #2,229,252 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6269434 Recording and reproducing apparatus including a nonvolatile memory which includes a first area for file management tables and a second area for data and a control unit — 2001-07-31
4862338 Ringing choke converter using single switching element — 1989-08-29