TB

Tetsuya Ban

Overall (All Time): #1,416,046 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11361049 History management method Koji Sasaki 2022-06-14
10678883 History management method Koji Sasaki 2020-06-09
8346296 Portable telephone Koji Sasaki, Atsushi Ito 2013-01-01