IU

Ichiro Usui

MC Mitsumi Electric Co.: 2 patents #1 of 22Top 5%
Overall (1994): #31,274 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5349263 Pointing device suitable for miniaturization Sumio Katayama, Junichi Iwasaki, Shuichi Toi, Takashi Yanase 1994-09-20
5349370 Signal processing circuit for a pointing device Sumio Katayama, Takashi Yanase 1994-09-20