TK

Tatsuhiko Kohno

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,949,268 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4734884 Magnetic bubble memory system with function of protecting specific storage area of bubble memory from rewriting Kazutoshi Yoshida 1988-03-29