OT

Osamu Tsurumi

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
Overall (All Time): #1,578,986 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7636299 Packet repeater Akihiro Asa, Kenichi Kawarai, Hideji Abe, Hiroyuki Kaneko 2009-12-22
7440397 Protection that automatic and speedily restore of Ethernet ring network Kenichi Kawarai, Akio Endou, Kazukuni Ugai, Akihiro Asa 2008-10-21
7304946 Packet multiplexing control method and a concentrator using the same Kenichi Kawarai, Katsuhiko Nakamoto, Takumi Maruyama, Hiroyuki Kaneko 2007-12-04