Inventor
Kazuhiro Kunimatsu
Inventor
Kawasaki, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission30%
H04JMultiplex communication30%
G02BOptical elements, systems or apparatus10%
G06FElectric digital data processing10%
H04LTransmission of digital information, e.g. telegraphic communication10%
H04QSelecting10%
PatentTitleYear
9,703,315'Transmission device and time synchronization method'20178,295,709'Variable dispersion compensation device'20128,200,091'Wavelength division multiplexing device and method of detecting input break of optical signal'20127,817,925'High-speed dispersion compensation control apparatus'20107,720,384'Wavelength division multiplexing apparatus'20107,590,147'LAN signal transmitting method and apparatus adapted to shut down a LAN signal if extracted link information indicates link down'20097,228,075'Wavelength multiplexing apparatus and signal conversion apparatus'20077,103,274'Cross-connect apparatus'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2017Patents assigned to FUJITSU LTD (8)· patent assignee history
2006–2012Based in Kawasaki, JP· patent location history
2012–2017Patents assigned to FUJITSU TELECOM NETWORKS LTD (2)· patent assignee history
2012Patents assigned to KUNIMATSU KAZUHIRO (2)· patent assignee history
2012Patents assigned to ONO TAKESHI (1)· patent assignee history
2012Patents assigned to TAKAHASHI TSUKASA (1)· patent assignee history
2012–2017Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 8 | 2006–2017 |
| FUJITSU TELECOM NETWORKS LTD | 2 | 2012–2017 |
| KUNIMATSU KAZUHIROself | 2 | 2012 |
| ONO TAKESHI | 1 | 2012 |
| TAKAHASHI TSUKASA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 6 | 2006–2012 |
| Kanagawa, JP | 2 | 2012–2017 |