Inventor
Fukutaro Hamaoka
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission56%
H04JMultiplex communication22%
H04LTransmission of digital information, e.g. telegraphic communication22%
PatentTitleYear
11,108,468Optical transmitter, optical receiver and communication system202110,826,620Optical receiver, optical reception method, and optical communication system202010,651,944Optical transmitter, optical receiver, optical data transmission system, optical transmission method, and optical reception method20209,749,061'Digital signal processing device'20179,692,543'Optical transmission system'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2021Patents assigned to NIPPON TELEGRAPH & TELEPHONE (5)· patent assignee history
2017–2020Based in Tokyo, JP· patent location history
2017Based in Musashino, JP· patent location history
2021Based in Yokosuka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 5 | 2017–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2017–2020 |
| Yokosuka, JP | 1 | 2021 |
| Musashino, JP | 1 | 2017 |