Inventor

Seiji Oikawa

Inventor
Mie, JP

Overview

6→
Patents
1997–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
H01BCables12%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines12%
H04LTransmission of digital information, e.g. telegraphic communication12%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
C07CAcyclic or carbocyclic compounds6%
C08JWorking-up6%
C08LCompositions of macromolecular compounds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to CHISSO CORP (2)· patent assignee history
1997Based in Chiba, JP· patent location history
1998Based in Fukuoka, JP· patent location history
2016–2017Patents assigned to NEC CORP (2)· patent assignee history
2016Patents assigned to OIKAWA SEIJI (1)· patent assignee history
2016Patents assigned to TAKASHIMA MASANORI (1)· patent assignee history
2016–2017Based in Tokyo, JP· patent location history
2017Patents assigned to SUMITOMO WIRING SYSTEMS (2)· patent assignee history
2017Based in Mie, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHISSO CORP21997–1998
NEC CORP22016–2017
SUMITOMO WIRING SYSTEMS22017
OIKAWA SEIJIself12016
TAKASHIMA MASANORI12016
Locations
LocationPatentsSpan
Mie, JP22017
Tokyo, JP22016–2017
Fukuoka, JP11998
Chiba, JP11997