Inventor

Hiroshi Sohma

Inventor
Wako, JP

Overview

30→
Patents
1976–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 30 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 energy28%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%
C08JWorking-up11%
Y02PClimate change mitigation technologies in the production or processing of goods9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
B01DSeparation4%
C08LCompositions of macromolecular compounds4%
H01BCables4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C04BLime, magnesia1%
PatentTitleYear
10,581,091Resin-framed membrane electrode assembly202010,243,221Resin-framed membrane-electrode assembly for fuel cell and method for manufacturing the same201910,128,520Fuel cell20189,966,623Electrolyte membrane-electrode structure with resin frame for fuel cells20189,577,276'Fuel cell membrane electrode assembly'20179,559,376'Fuel cell with an electrolyte membrane and gas diffusion layers'20179,130,206'Method for manufacturing resin-framed membrane electrode assembly for fuel cell'20159,012,105'Membrane electrode assembly for fuel cell'20158,808,942'Adhesive for fuel cell and membrane-electrode assembly produced using the same'20148,163,406'Membrane-electrode assembly for solid polymer electrolyte fuel cell'20127,887,969'Membrane-electrode assembly for solid polymer electrolyte fuel cell'20117,816,053'Membrane-electrode assembly for solid polymer electrolyte fuel cell'20107,749,630'Polymer electrolyte membrane and polymer electrolyte fuel cell comprising same'20107,727,654'Membrane-electrode assembly for solid polymer electrolyte fuel cell and method of producing the same'20107,658,867'Membrane-electrode assembly for solid polymer electrolyte fuel cell'20107,651,802'Solid polymer electrolyte, proton conductive membrane, electrode electrolyte, electrode paste and membrane-electrode assembly'20107,645,534'Membrane electrode assembly for solid polymer electrolyte fuel cell'20107,544,433'Electrode structure for polymer electrolyte fuel cells, and polymer electrolyte fuel cell using the same'20097,494,733'Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell'20097,445,867'Electrode structure for solid-polymer type fuel cell'20087,208,242'Solid polymer type fuel cell'20077,030,206'Polymer electrolyte and proton-conducting membrane'20066,933,068'Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same'20056,926,984'Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same'20056,064,835'Field frame for finder'20005,890,024'Camera having shutter charging mechanism'19995,749,009'Photographic camera having film winding mechanism'19985,592,252'Field frame for finder'19974,206,830'Vehicle speaker system provided with a passive radiator'19803,964,922'Process for calcination of cement-clinker'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2000Patents assigned to FUJI PHOTO FILM CO LTD (4)· patent assignee history
1997–2014Based in Saitama, JP· patent location history
1998–1999Based in Asaka, JP· patent location history
2005–2020Patents assigned to HONDA MOTOR CO LTD (22)· patent assignee history
2005–2010Patents assigned to JSR CORP (3)· patent assignee history
2005–2020Based in Wako, JP· patent location history
2006Based in Tochigi, JP· patent location history
2012–2018Patents assigned to SOHMA HIROSHI (4)· patent assignee history
2014–2018Patents assigned to TANAKA KENICHI (3)· patent assignee history
2017–2018Based in Utsunomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD222005–2020
FUJI PHOTO FILM CO LTD41997–2000
SOHMA HIROSHIself42012–2018
JSR CORP32005–2010
TANAKA KENICHI32014–2018
Locations
LocationPatentsSpan
Wako, JP112005–2020
Saitama, JP111997–2014
Utsunomiya, JP32017–2018
Asaka, JP21998–1999
Tochigi, JP12006