YI

Yasuhiro Isomichi

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
Overall (All Time): #880,049 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6633225 Selective group paging device with exchangeable group ID Takayuki KOMORI, Shigeru Uchiyama 2003-10-14
6545446 Cellular phone equipped with a charging function Hiroyuki Oku 2003-04-08
6433667 Charge preventing circuit for a pager 2002-08-13
6411804 Wireless terminal device Toshiyuki Tsumura, Shinichiro Inukai 2002-06-25
6393308 Pager with auto powerup for message receipt Shigeru Uchiyama 2002-05-21
6208838 Pager with reception error notification Shigeru Uchiyama 2001-03-27