TT

Toshinori Takuma

Rohm Co.: 1 patents #1,438 of 2,292Top 65%
Overall (All Time): #2,230,191 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6283377 IC card for accumulating degree of interest and system for accumulating degree of interest using such card — 2001-09-04
6072328 IC devices with a built-in circuit for protecting internal information — 2000-06-06