LexDanaLexDanabeta
Inventor

Seiji Sugiura

Inventor
Utsunomiya, JP

Overview

71→
Patents
2004–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 71 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy46%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution46%
Y02TClimate change mitigation technologies related to transportation6%
Y02PClimate change mitigation technologies in the production or processing of goods2%
B60LPropulsion of electrically-propelled vehicles1%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
10,559,835Resin-framed membrane-electrode assembly for fuel cell202010,497,946Fuel cell201910,476,086Resin-framed stepped membrane electrode assembly for fuel cell201910,381,661Resin frame equipped membrane electrode assembly for fuel cell201910,141,592Resin-framed membrane electrode assembly for fuel cell201810,056,619Fuel cell having a recess in the separator201810,003,098Fuel cell20189,780,400'Fuel cell having an empty space gap between the separator and electrode'20179,660,276'Fuel cell including separator with outer ends placed inward of fluid passages formed in frame'20179,601,785'Fuel cell'20179,590,254'Fuel cell stack'20179,559,376'Fuel cell with an electrolyte membrane and gas diffusion layers'20179,553,324'Fuel cell resin frame equipped membrane electrode assembly'20179,548,502'Fuel cell stack'20179,531,016'Fuel cell including separator comprising bypass limiting section'20169,490,487'Fuel cell'20169,368,825'Fuel cell stack'20169,293,779'Fuel cell'20169,225,032'Fuel cell'20159,214,682'Fuel cell'20159,105,898'Fuel cell'20159,088,015'Fuel cell comprising water discharge channel formed by a corrugated section'20159,065,091'Fuel cell'20158,999,596'Fuel cell'20158,911,916'Fuel cell'20148,895,202'Fuel cell membrane electrode assembly'20148,551,671'Fuel cell fluid sealing structure'20138,475,972'Fuel cell'20138,465,880'Fuel cell stack'20138,415,068'Fuel cell'20138,399,151'Fuel cell with buffer-defined flow fields'20138,313,680'Method of producing fuel cell'20128,304,127'Fuel cell stack'20128,304,140'Fuel cell separator comprising overlapping bosses and guide ridges'20128,268,503'Fuel cell stack'20128,148,032'Fuel cell and fuel cell stack'20128,137,864'Fuel cell formed with metal separators'20128,012,639'Fuel cell stack'20117,951,508'Fuel cell'20117,901,826'Fuel cell'20117,867,666'Fuel cell with triangular buffers for reactant gas and coolant'20117,846,613'Fuel cell with separator having a ridge member'20107,824,817'Fuel cell'20107,776,490'Fuel cell having closure seal'20107,745,062'Fuel cell having coolant inlet and outlet buffers on a first and second side'20107,687,165'Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly'20107,618,735'Fuel cell with triangular buffers'20097,572,538'Fuel cell'20097,569,301'Fuel cell'20097,531,265'Fuel cell'20097,465,515'Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly'20087,459,231'Polymer electrolyte fuel cell stack and operating method thereof'20087,445,866'Fuel cell stack'20087,413,821'Solid polymer electrolyte fuel cell assembly with gas passages in serial communication, and method of supplying reaction gas in fuel cell'20087,323,269'Fuel cell'20087,220,511'Fuel cell'20077,201,990'Fuel cell stack'20077,144,647'Fuel cell stack'20067,132,189'Fuel cell stack with bypass'20067,090,941'Fuel cell stack and a method of supplying reactant gases to the fuel cell stack'20067,070,872'Fuel cell stack'20067,018,733'Fuel cell stack having coolant flowing along each surface of a cooling plate'20066,969,564'Fuel cell stack'20056,872,483'Fuel cell stack, method of holding fuel cell stack under pressure, and separators'20056,866,956'Fuel cell'20056,858,338'Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of supplying reaction gas in fuel cell'20056,855,448'Fuel cell stack'20056,846,590'Fuel cell stack having grommet which covers each edge of communicating passages formed in terminal plate'20056,841,282'Fuel cell'20056,833,210'Fuel cell'20046,811,909'Fuel cell'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2020Patents assigned to HONDA MOTOR CO LTD (71)· patent assignee history
2004–2018Based in Utsunomiya, JP· patent location history
2005–2020Based in Wako, JP· patent location history
2012–2017Patents assigned to SUGIURA SEIJI (17)· patent assignee history
2012–2017Patents assigned to WATANABE YASUHIRO (5)· patent assignee history
2012–2017Patents assigned to ODA MASARU (3)· patent assignee history
2012–2017Patents assigned to SATO SHUJI (3)· patent assignee history
2015–2017Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD712004–2020
SUGIURA SEIJIself172012–2017
WATANABE YASUHIRO52012–2017
ODA MASARU32012–2017
SATO SHUJI32012–2017
Locations
LocationPatentsSpan
Utsunomiya, JP552004–2018
Wako, JP142005–2020
Tochigi, JP22015–2017