Inventor
Yoshihiko Suemura
Inventor
Tokyo, JP
Overview
Patents· 28 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 communication31%
H04QSelecting31%
H04JMultiplex communication18%
G06FElectric digital data processing4%
H04BTransmission4%
G02BOptical elements, systems or apparatus2%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
H02NElectric machines not otherwise provided for2%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%
H03MCoding2%
PatentTitleYear
8,098,990'System and method for providing wireless over a passive optical network (PON)'20127,706,284'Link property setting method, route calculating method and system using the same'20107,684,417'Method of migrating processes between networks and network system thereof'20107,471,625'Fault recovery system and method for a communications network'20087,468,944'Path fault recovery method, switching-back method after recovery from fault, and node using the same'20087,411,964'Communication network, path setting method and recording medium having path setting program recorded thereon'20087,372,806'Fault recovery system and method for a communications network'20087,355,979'Communication network, path setting method, network management system and node'20087,248,561'Path establishment method for establishing paths of different fault recovery types in a communications network'20077,058,303'Optical cross-connecting device'20066,957,018'Optical packet exchange system and optical switch'20056,760,552'Optical receiving circuit and optical communication device'20046,760,346'Packet switching network'20046,570,687'Optical packet exchange system and optical switch'20036,445,473'Optical switching apparatus using wavelength division multiplexing technology'20026,441,935'Optical packet exchange system and optical switch'20026,429,955'Optical network'20026,373,911'Bit synchronization circuit'20026,333,800'Optical communication system using wavelength-division multiplexed light'20016,271,949'Optical communication system using wavelength-division multiplexed light'20016,243,178'Optical crossbar network using wavelength division multiplexing an optical crossbar exchange'20016,081,557'Datalink system and communication network'20005,887,039'Data transmission system using specific pattern for synchronization'19995,812,290'Optical switching unit and control method for same'19985,687,181'Parallel data transmission unit using byte error correcting code'19975,506,920'Optical wavelength tunable filter'19965,400,167'Optical frequency acquisition apparatus for optical coherent communication system'19955,325,382'Method and electrode arrangement for inducing flat frequency modulation response in semiconductor laser'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2012Patents assigned to NEC CORP (28)· patent assignee history
1994–2012Based in Tokyo, JP· patent location history
2010Based in Minato-ku, JP· patent location history
2012Patents assigned to HU JUNQIANG (1)· patent assignee history
2012Patents assigned to LUO YUANQIU (1)· patent assignee history
2012Patents assigned to NEC LAB AMERICA INC (1)· patent assignee history
2012Patents assigned to QIAN DAYOU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 28 | 1994–2012 |
| HU JUNQIANG | 1 | 2012 |
| LUO YUANQIU | 1 | 2012 |
| NEC LAB AMERICA INC | 1 | 2012 |
| QIAN DAYOU | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 27 | 1994–2012 |
| Minato-ku, JP | 1 | 2010 |