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Inventor

Takeshi Oohashi

Inventor
Tokyo, JP

Overview

9→
Patents
1998–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials12%
H01PWaveguides8%
H05KPrinted circuits8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C04BLime, magnesia4%
C07DHeterocyclic compounds4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
F23DBurners4%
PatentTitleYear
10,527,283Burner tile, burner, and furnace202010,454,440Directional coupler and wireless communication device using the same201910,426,032Multilayer wiring structure and its manufacturing method20199,531,053'Directional coupler and wireless communication device'20169,225,057'Antenna apparatus and wireless communication device using same'20158,620,127'Optical waveguide and method for manufacturing the same'20138,013,794'Surface mount antenna and antenna module'20117,022,462'Photosensitive resin composition, photosensitive element using the same, process for producing resist pattern, and process for producing printed wiring board'20065,715,448'Open database system wherein access by subscribers to a network is limited'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Based in Yono, JP· patent location history
2006–2013Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history
2006Based in Hitachi, JP· patent location history
2011–2019Patents assigned to TDK CORP (5)· patent assignee history
2011–2019Based in Tokyo, JP· patent location history
2013–2015Patents assigned to OOHASHI TAKESHI (2)· patent assignee history
2013Based in Ibaraki, JP· patent location history
2015Patents assigned to HARIHARA YASUMASA (1)· patent assignee history
2020Patents assigned to CHUGAI RO KOGYO KAISHA LTD (1)· patent assignee history
2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP52011–2019
HITACHI CHEMICAL CO LTD22006–2013
OOHASHI TAKESHIself22013–2015
CHUGAI RO KOGYO KAISHA LTD12020
HARIHARA YASUMASA12015
Locations
LocationPatentsSpan
Tokyo, JP52011–2019
Osaka, JP12020
Ibaraki, JP12013
Hitachi, JP12006
Yono, JP11998