Inventor

Kazutaka Yamashita

Inventor
Tochigi, JP

Overview

18→
Patents
1977–2013
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 18 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification27%
G11BInformation storage based on relative movement between record carrier and transducer23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
A61FFilters implantable into blood vessels2%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body2%
C03CChemical composition of glasses, glazes or vitreous enamels2%
C08JWorking-up2%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2013Patents assigned to KAO CORP (15)· patent assignee history
1977–1978Based in Wakayama, JP· patent location history
1989Patents assigned to TOSHIBA MACHINE CO LTD (2)· patent assignee history
1989Based in Numazu, JP· patent location history
1997–2013Based in Tochigi, JP· patent location history
2001Patents assigned to FUJI PHOTO FILM CO LTD (1)· patent assignee history
2013Patents assigned to HARA KATSUTOSHI (1)· patent assignee history
2013Patents assigned to IGAKI MICHIHITO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAO CORP151977–2013
TOSHIBA MACHINE CO LTD21989
FUJI PHOTO FILM CO LTD12001
HARA KATSUTOSHI12013
IGAKI MICHIHITO12013
Locations
LocationPatentsSpan
Tochigi, JP121997–2013
Wakayama, JP41977–1978
Numazu, JP21989