Inventor
Yoshimi Nakagawa
Inventor
Yokohama, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Jprimary
H04JMultiplex communication22%
H04LTransmission of digital information, e.g. telegraphic communication22%
C08JWorking-up11%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
H04BTransmission11%
H04QSelecting11%
Y10TTechnical subjects covered by former us classification11%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1999Based in Kyoto, JP· patent location history
2006–2007Patents assigned to HITACHI LTD (2)· patent assignee history
2006–2007Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 2 | 2006–2007 |
| SUMITOMO CHEMICAL CO | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 2 | 2006–2007 |
| Kyoto, JP | 1 | 1999 |