KS

Kazuhiro Sumioka

MC Mitsubishi Chemical: 6 patents #261 of 3,022Top 9%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
SL Semiconductor Energy Laboratory: 3 patents #754 of 1,113Top 70%
📍 Ebeye: #302 of 4,528 inventorsTop 7%
Overall (All Time): #315,628 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11777109 Hydrophilic porous carbon electrode and manufacturing method of same Kyu OTA, Hiroto Tatsuno 2023-10-03
11437629 Hydrophilic porous carbon electrode and manufacturing method of same Kyu OTA, Hiroto Tatsuno 2022-09-06
9871257 Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers Shigeru Tanoue, Yoshihiro Sako 2018-01-16
9825304 Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell Hiroto Tatsuno, Tadao Samejima 2017-11-21
9786923 Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers Shigeru Tanoue, Yoshihiro Sako 2017-10-10
9780383 Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell Yoshihiro Sako 2017-10-03
9705137 Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell Hiroto Tatsuno, Tadao Samejima 2017-07-11
9343751 Porous electrode substrate, method for producing the same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell Yoshihiro Sako 2016-05-17
9325016 Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell Yoshihiro Sako 2016-04-26
8986907 Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell Yoshihiro Sako 2015-03-24
8927173 Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell Yoshihiro Sako 2015-01-06
8574758 Porous electrode substrate and method for producing the same Yoshihiro Sako 2013-11-05
7768193 Display device incorporating an electrode protection layer exposing the electrode element to an atmosphere Tetsuo Tsutsui 2010-08-03
7414364 Display element and method of manufacturing the same Tetsuo Tsutsui 2008-08-19
6866555 Display element and method of manufacturing the same Tetsuo Tsutsui 2005-03-15