Inventor
Yojiro Osaki
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission33%
H04JMultiplex communication33%
H04LTransmission of digital information, e.g. telegraphic communication33%
PatentTitleYear
6,801,720'Optical signal quality supervisory device'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004Patents assigned to KDD CORP (1)· patent assignee history
2004Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2004Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KDD CORP | 1 | 2004 |
| MITSUBISHI ELECTRIC CORP | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2004 |