TT

Tomoyoshi Tatsumi

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
📍 Tsuchiura, JP: #67 of 519 inventorsTop 15%
Overall (All Time): #417,691 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9749264 Communication system and network relay device 2017-08-29
9686179 Network relay system and switching device 2017-06-20
9559984 Communication system and network relay device Wataru Kumagai 2017-01-31
9521091 Relay system and switching device Hiroshi Ishizaki 2016-12-13
9306874 Network relay system and switching device 2016-04-05
9300572 Communication system and network relay device 2016-03-29
9264253 Network system Shingo Sugawara, Koichiro Seto 2016-02-16
9225667 Communication system and network relay apparatus 2015-12-29
8948168 Network system Shingo Sugawara, Koichiro Seto 2015-02-03
8830994 Network system 2014-09-09
8737412 Network relay system and method of automatically setting a network relay system Shingo Sugawara 2014-05-27
8724450 Network relay system and method of controlling a network relay system Shingo Sugawara 2014-05-13