Inventor

Yoshimi Nakagawa

Inventor
Yokohama, JP

Overview

3→
Patents
1999–2007
Patent span
Electricity
Primary field (CPC H)

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
AssigneePatentsSpan
HITACHI LTD22006–2007
SUMITOMO CHEMICAL CO11999
Locations
LocationPatentsSpan
Yokohama, JP22006–2007
Kyoto, JP11999