Assignee
TOHO GAS KK
JP13 patents
Top patents by PatentIndex Score
US6787261B2Sep 7, 2004
Solid oxide fuel cell
TOHO GAS KK30 citations89
US5848372ADec 8, 1998
Apparatus for detecting trouble states in engine
TOHO GAS KK21 citations86
US6835485B2Dec 28, 2004
Solid oxide fuel cell having a supported electrolyte film
TOHO GAS KK16 citations80
US6532421B2Mar 11, 2003
Method for estimating a life of apparatus under narrow-band random stress variation
TOHO GAS KK26 citations80
US4650621AMar 17, 1987
Method of preparing heat exchange element
TOHO GAS KK18 citations78
US4595403AJun 17, 1986
Heat exchange element
TOHO GAS KK22 citations78
US7108938B2Sep 19, 2006
Single cell for a solid oxide fuel cell
TOHO GAS KK9 citations69
US6149346ANov 21, 2000
Method for replacement of existing pipes and device for carrying out the method
TOHO GAS KK14 citations66
US12364950B2Jul 22, 2025
Carbon dioxide recovery device
TOHO GAS KK1 citations60
US7422822B2Sep 9, 2008
Single cell for a solid oxide fuel cell
TOHO GAS KK2 citations60
US7608357B2Oct 27, 2009
Fuel electrode material, a fuel electrode, and a solid oxide fuel cell
TOHO GAS KK2 citations56
US11306237B2Apr 19, 2022
Latent-heat storage material composition and latent-heat storage tank
TOHO GAS KK0 citations50
US11149179B2Oct 19, 2021
Latent heat storage material composition
TOHO GAS KK0 citations50