Inventor
AKIHIRO YAMAGISHI
Inventor
JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission50%
H04JMultiplex communication25%
H04LTransmission of digital information, e.g. telegraphic communication25%
PatentTitleYear
11,558,114Optical transmission characteristics compensating method and optical transmission characteristics compensating system202311,228,366Optical transmission characteristics estimation method, optical transmission characteristics estimation system, and optical transmission characteristics compensation system2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2022–2023Patents assigned to NTT ELECTRONICS CORP (2)· patent assignee history
2022–2023Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 2 | 2022–2023 |
| NTT ELECTRONICS CORP | 2 | 2022–2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 2 | 2022–2023 |