Inventor
Shiro Tanabe
Inventor
Hidaka, JP
Overview
Patents· 20 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 communication52%
H04QSelecting19%
H04WWireless communication networks13%
G06FElectric digital data processing3%
H04BTransmission3%
H04HBroadcast communication3%
H04MTelephonic communication3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
9,124,531'VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus'20158,582,587'VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus'20138,239,468'Session QoS control apparatus'20127,983,281'VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus'20117,974,269'Mobile communication control method and mobile communication system'20117,889,758'Method for allocating subchannel in wireless network'20117,881,311'VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus'20117,606,914'Session QoS control apparatus'20097,599,682'Method of implementing multi-party conference service by using broadcast/multicast service of a wireless communications system'20097,016,373'Packet switching apparatus'20066,829,232'Communication method for terminals connected to IP networks to receive services provided by intelligent networks'20046,633,571'VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus'20036,055,238'Packet terminal and packet communication network'20005,749,053'Mobile communication network and control method thereof'19985,701,412'Telecommunications service control method in intelligent network'19975,612,959'Multicast communications method'19975,333,131'Packet switching method and system with self-routing switch'19945,177,736'Packet switch'19935,129,046'Method for automatically converting a data flow description of a source program directly into a function design chart'19925,027,400'Multimedia bidirectional broadcast system'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2015Patents assigned to HITACHI LTD (19)· patent assignee history
1991–1993Based in Hachioji, JP· patent location history
1993–1994Patents assigned to HITACHI SOFTWARE ENG (2)· patent assignee history
1994Based in Saitama, JP· patent location history
1997–2015Based in Hidaka, JP· patent location history
2009Patents assigned to HITACHI COMM TECH LTD (1)· patent assignee history
2011Based in Tokyo, JP· patent location history
2012–2013Patents assigned to TANABE SHIRO (2)· patent assignee history
2013Patents assigned to ENDO NOBORU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 19 | 1991–2015 |
| HITACHI SOFTWARE ENG | 2 | 1993–1994 |
| TANABE SHIROself | 2 | 2012–2013 |
| ENDO NOBORU | 1 | 2013 |
| HITACHI COMM TECH LTD | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hidaka, JP | 15 | 1997–2015 |
| Hachioji, JP | 3 | 1991–1993 |
| Tokyo, JP | 1 | 2011 |
| Saitama, JP | 1 | 1994 |