Inventor
Kanji Naito
Inventor
Kawasaki, JP
Overview
Patents· 9 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 communication54%
H04JMultiplex communication23%
H04BTransmission15%
H04QSelecting8%
PatentTitleYear
9,564,964'Optical signal processing device, optical signal processing method and recording medium'20179,515,848'Transmission device, transmission system, and transmission method'20169,160,453'Ring network setup method'20159,154,373'Failure protection method and node apparatus'20158,681,785'Communication apparatus and path setting control method'20147,106,761'Multiplexing method and apparatus suitable for transmission of overhead data arriving from many communication lines'20066,785,224'Ring configuring method and node apparatus used in the ring'20045,978,354'Optical transmission system and transmission line switching control method'19995,168,500'Method for automatically discriminating low-speed interface units installed in an optical data transmission apparatus together with automatically confirming the installation'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2017Patents assigned to FUJITSU LTD (9)· patent assignee history
1992Based in Yokohama, JP· patent location history
1999–2017Based in Kawasaki, JP· patent location history
2014Patents assigned to NAITO KANJI (1)· patent assignee history
2014Patents assigned to SHIRAI KATSUHIRO (1)· patent assignee history
2014Patents assigned to TAKEGUCHI KOJI (1)· patent assignee history
2017Patents assigned to FUJITSU TELECOM NETWORKS LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 9 | 1992–2017 |
| FUJITSU TELECOM NETWORKS LTD | 1 | 2017 |
| NAITO KANJIself | 1 | 2014 |
| SHIRAI KATSUHIRO | 1 | 2014 |
| TAKEGUCHI KOJI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 8 | 1999–2017 |
| Yokohama, JP | 1 | 1992 |