Inventor
Yoshihito Sako
Inventor
Hadano, JP
Overview
Patents· 11 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 communication83%
G06FElectric digital data processing8%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids8%
PatentTitleYear
7,170,885'Packet switching method and apparatus thereof'20077,167,474'Network relaying apparatus and network relaying method capable of high-speed routing and packet transfer'20076,874,033'Network repeater and network next transfer desitination searching method'20056,778,532'Packet relaying apparatus and high speed multicast system'20046,683,885'Network relaying apparatus and network relaying method'20046,671,277'Network relaying apparatus and network relaying method capable of high quality transfer of packets under stable service quality control'20036,658,003'Network relaying apparatus and network relaying method capable of high-speed flow detection'20036,650,642'Network relaying apparatus and network relaying method capable of high-speed routing and packet transfer'20036,542,496'Packet switching method and apparatus thereof'20035,978,844'Internetworking apparatus for load balancing plural networks'19994,984,233'Method and apparatus for testing station address in network'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2007Patents assigned to HITACHI LTD (10)· patent assignee history
1991Patents assigned to HITACHI SOFTWARE ENG (1)· patent assignee history
1991–2007Based in Hadano, JP· patent location history
2003–2004Patents assigned to HITACHI INFORMATION TECHNOLOGY (6)· patent assignee history
2003Patents assigned to HIRACHI LTD (1)· patent assignee history
2003–2007Based in Sagamihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 10 | 1991–2007 |
| HITACHI INFORMATION TECHNOLOGY | 6 | 2003–2004 |
| HIRACHI LTD | 1 | 2003 |
| HITACHI SOFTWARE ENG | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 6 | 1991–2007 |
| Sagamihara, JP | 5 | 2003–2007 |