Inventor

Kenichiro Yoshioka

Inventor
Kita-ku, JP

Overview

6→
Patents
1989–2008
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.

C08Jprimary
C08JWorking-up14%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
G02BOptical elements, systems or apparatus14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
B29CShaping or joining of plastics10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
G05BControl or regulating systems in general5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to MAZDA MOTOR (2)· patent assignee history
1989–1991Based in Hiroshima, JP· patent location history
2000–2008Patents assigned to NIPPON KAYAKU KK (3)· patent assignee history
2000Based in Yono, JP· patent location history
2007–2008Patents assigned to POLATECHNO CO LTD (3)· patent assignee history
2007Based in Tokyo, JP· patent location history
2008Based in Kita-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KAYAKU KK32000–2008
POLATECHNO CO LTD32007–2008
MAZDA MOTOR21989–1991
Locations
LocationPatentsSpan
Kita-ku, JP22008
Hiroshima, JP21989–1991
Tokyo, JP12007
Yono, JP12000