Inventor
Masumi Kurokawa
Inventor
Yokohama, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission67%
H04QSelecting33%
PatentTitleYear
5,168,500'Method for automatically discriminating low-speed interface units installed in an optical data transmission apparatus together with automatically confirming the installation'19925,109,296'Transmission line switching system'19925,091,796'Optical communication system having an improved protection line switching mechanism'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to FUJITSU LTD (3)· patent assignee history
1992Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 3 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1992 |