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Inventor

Hideki Yokoyama

Inventor
Himeji, JP

Overview

32→
Patents
1982–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 32 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 bonds12%
A61LMethods or apparatus for sterilising materials or objects in general7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
Y10TTechnical subjects covered by former us classification7%
H01GCapacitors6%
A61FFilters implantable into blood vessels5%
C08JWorking-up5%
H01CResistors5%
C08LCompositions of macromolecular compounds4%
LOCD14%
PatentTitleYear
10,525,443Water-absorbent resin and absorbent article202010,323,105Water-absorbent resin and absorbent article20199,982,069Water-absorbent resin and absorbent article20189,925,294'Water-absorbent resin and absorbent article'20189,873,755Method of manufacturing water-absorbent resin, water-absorbent resin, water-absorbing agent and absorbent article20189,132,413'Method for producing a water-absorbent resin'20159,102,771'Method for producing a water-absorbent resin'20159,074,022'Process for production of water-absorbent resin'20158,883,944'Method for producing a water-absorbent resin'20148,859,700'Method for producing a water-absorbent resin'20148,841,395'Method for producing a water-absorbent resin'20147,318,868'Paste coating method'20087,115,302'Paste coating method'20066,991,287'Vehicle seat system'20066,956,731'Laminate type electronic component'20056,771,485'Ceramic electronic device, paste coating method, and paste coating apparatus'20046,729,003'Process for producing a ceramic electronic component'20046,713,589'Phenyl, naphthly or fluorene cyclopentyl epoxy resins'20046,381,118'Ceramic electronic component having electronic component containing cuprous oxide'20026,329,492'Phenyl, naphthyl or fluorene cyclopentyl epoxy resins'20016,228,816'Aqueous cutting fluid, aqueous cutting agent, and process for cutting hard brittle materials with the same'20016,033,571'Activated sludge treatment method and apparatus'20005,067,747'Instrument panel structure of car body'19914,766,940'Pneumatic radial tire having an excellent steering stability'19884,731,925'Method for providing a power connector'19884,655,529'Jack for telephone set'19874,566,748'Connector'19864,470,446'Method and apparatus for detecting molten metal surface level in a mold'1984D0265306'Vehicle tire'1982D0265303'Vehicle tire'1982D0265302'Vehicle tire'1982D0263946'Vehicle tire'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1988Patents assigned to BRIDGESTONE TIRE CO LTD (5)· patent assignee history
1982Based in Murayama, JP· patent location history
1986–1988Based in Tsu, JP· patent location history
2001–2004Based in Ichihara, JP· patent location history
2002–2008Patents assigned to TDK CORP (6)· patent assignee history
2002–2008Based in Akita, JP· patent location history
2014–2020Patents assigned to SUMITOMO SEIKA CHEMICALS (11)· patent assignee history
2014–2015Patents assigned to YOKOYAMA HIDEKI (6)· patent assignee history
2014–2015Patents assigned to HEGURI ATSUSHI (5)· patent assignee history
2014–2020Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO SEIKA CHEMICALS112014–2020
TDK CORP62002–2008
YOKOYAMA HIDEKIself62014–2015
BRIDGESTONE TIRE CO LTD51982–1988
HEGURI ATSUSHI52014–2015
Locations
LocationPatentsSpan
Himeji, JP112014–2020
Akita, JP52002–2008
Tsu, JP31986–1988
Murayama, JP31982
Ichihara, JP22001–2004