Inventor
Hidehiro Fukushima
Inventor
Fujisawa, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication77%
H04QSelecting8%
H04WWireless communication networks8%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use8%
PatentTitleYear
9,253,080'Relay device, network system and computer program product'20168,817,683'Network relay apparatus and inter-network relay method'20147,974,282'Network apparatus for redundant multicast'20117,606,227'Method, apparatus and system for distributing multicast data'20097,443,851'Device and system for multicast communication'20086,490,246'System and method for using active and standby routers wherein both routers have the same ID even before a failure occurs'20026,292,489'Router device and network system using the same'20016,049,524'Multiplex router device comprising a function for controlling a traffic occurrence at the time of alteration process of a plurality of router calculation units'20006,034,964'Router device and network system using the same'20005,777,994'ATM switch and intermediate system'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2009Patents assigned to HITACHI LTD (7)· patent assignee history
1998–2011Based in Fujisawa, JP· patent location history
2011–2016Patents assigned to ALAXALA NETWORKS CORP (3)· patent assignee history
2014–2016Patents assigned to FUKUSHIMA HIDEHIRO (2)· patent assignee history
2014Patents assigned to HIROTA NAGAYUKI (1)· patent assignee history
2014Patents assigned to KADOWAKI KEISUKE (1)· patent assignee history
2014–2016Based in Inagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1998–2009 |
| ALAXALA NETWORKS CORP | 3 | 2011–2016 |
| FUKUSHIMA HIDEHIROself | 2 | 2014–2016 |
| HIROTA NAGAYUKI | 1 | 2014 |
| KADOWAKI KEISUKE | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujisawa, JP | 8 | 1998–2011 |
| Inagi, JP | 2 | 2014–2016 |