Inventor

Akira Fujioka

Inventor
Osaka, JP

Overview

10→
Patents
1980–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers20%
C08JWorking-up17%
Y10TTechnical subjects covered by former us classification17%
C08LCompositions of macromolecular compounds11%
C03CChemical composition of glasses, glazes or vitreous enamels6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H10DInorganic electric semiconductor devices6%
H10HInorganic light-emitting semiconductor devices having potential barriers6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1987Patents assigned to SUMITOMO CHEMICAL CO (7)· patent assignee history
1980–1987Based in Osaka, JP· patent location history
1983–1987Patents assigned to NIPPON SHEET GLASS CO LTD (5)· patent assignee history
2005–2006Patents assigned to NICHIA CORP (2)· patent assignee history
2005–2006Based in Anan-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO71980–1987
NIPPON SHEET GLASS CO LTD51983–1987
NICHIA CORP22005–2006
Locations
LocationPatentsSpan
Osaka, JP81980–1987
Anan-shi, JP22005–2006