Inventor

Takeshi Yanagihara

Inventor
Kanagawa, JP

Overview

19→
Patents
1983–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 19 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
B41MPrinting, duplicating, marking, or copying processes15%
D21HPulp compositions15%
Y10TTechnical subjects covered by former us classification12%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
A47CChairs5%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons5%
C08LCompositions of macromolecular compounds5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
A61FFilters implantable into blood vessels2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Based in Yokohama, JP· patent location history
1990–1996Patents assigned to MITSUI TOATSU CHEMICALS (11)· patent assignee history
1990–1995Based in Kanagawa, JP· patent location history
1990–1996Based in Chigasaki, JP· patent location history
1991Patents assigned to MITSUE TOATSU CHEMICALS INC (1)· patent assignee history
1992Patents assigned to HOSHINO FUTOSHI (1)· patent assignee history
2011Patents assigned to HITACHI METALS LTD (1)· patent assignee history
2011Based in Shizuoka, JP· patent location history
2017–2019Patents assigned to PARAMOUNT BED KK (3)· patent assignee history
2017–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI TOATSU CHEMICALS111990–1996
PARAMOUNT BED KK32017–2019
HITACHI METALS LTD12011
HOSHINO FUTOSHI11992
MITSUE TOATSU CHEMICALS INC11991
Locations
LocationPatentsSpan
Kanagawa, JP81990–1995
Chigasaki, JP61990–1996
Tokyo, JP32017–2019
Shizuoka, JP12011
Yokohama, JP11983