Assignee
TOHO GAS KK
JP·13 granted patents·161 citations·filing 1984–2021
Top patents by PatentIndex Score
13 records- 0183US12364950B2Carbon dioxide recovery deviceTOHO GAS KK·Filed 2021·Granted Jul 22, 2025·1 cites·18 claims
- 0281US6787261B2Solid oxide fuel cellTOHO GAS KK·Filed 2001·Granted Sep 7, 2004·30 cites·2 claims
- 0372US6835485B2Solid oxide fuel cell having a supported electrolyte filmTOHO GAS KK·Filed 2001·Granted Dec 28, 2004·16 cites·13 claims
- 0471US7422822B2Single cell for a solid oxide fuel cellTOHO GAS KK·Filed 2007·Granted Sep 9, 2008·2 cites·6 claims
- 0568US4595403AHeat exchange elementTOHO GAS KK·Filed 1984·Granted Jun 17, 1986·22 cites·3 claims
- 0666US4650621AMethod of preparing heat exchange elementTOHO GAS KK·Filed 1985·Granted Mar 17, 1987·18 cites·5 claims
- 0765US7608357B2Fuel electrode material, a fuel electrode, and a solid oxide fuel cellTOHO GAS KK·Filed 2005·Granted Oct 27, 2009·2 cites·8 claims
- 0864US7108938B2Single cell for a solid oxide fuel cellTOHO GAS KK·Filed 2003·Granted Sep 19, 2006·9 cites·27 claims
- 0959US6532421B2Method for estimating a life of apparatus under narrow-band random stress variationTOHO GAS KK·Filed 2000·Granted Mar 11, 2003·26 cites·5 claims
- 1053US5848372AApparatus for detecting trouble states in engineTOHO GAS KK·Filed 1995·Granted Dec 8, 1998·21 cites·18 claims
- 1148US11306237B2Latent-heat storage material composition and latent-heat storage tankTOHO GAS KK·Filed 2018·Granted Apr 19, 2022·0 cites·14 claims
- 1246US11149179B2Latent heat storage material compositionTOHO GAS KK·Filed 2018·Granted Oct 19, 2021·0 cites·12 claims
- 1338US6149346AMethod for replacement of existing pipes and device for carrying out the methodTOHO GAS KK·Filed 1998·Granted Nov 21, 2000·14 cites·8 claims
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