Tokyo Gas Co., Ltd.

Japan


Create a watch for Tokyo Gas Co., Ltd.
Total IP 90
Total IP Rank # 14,947
IP Activity Score 2.5/5.0    37
IP Activity Rank # 20,260
Stock Symbol 95310 (tse)
ISIN JP3573000001
Market Cap. 1024435006557.0  (JPY)
Industry Utilities—Regulated Gas
Sector Utilities
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

19 4
4 0
61 2
0
 
Last Patent 2025 - Catalyst-layer-equipped electrol...
First Patent 1980 - Forced air unit
Last Trademark 2025 - PEXEM
First Trademark 2017 - ACARIO

Subsidiaries

3 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Catalyst-layer-equipped electrolyte membrane, water electrolysis cell, and water electrolysis cel...
G/S Catalysts for use in the manufacture of hydrogen; catalysts; chemicals; synthetic resins for use ...
G/S Catalysts for use in the manufacture of hydrogen; catalysts; chemicals; synthetic resins for use...
Invention Water electrolysis system. This water electrolysis system comprises: a water electrolysis cell st...
2023 Invention Anode catalyst, water electrolysis cell, and water electrolysis cell stack. AiicaACaCa) defined b...
Invention Anode catalyst, water electrolysis cell, and water electrolysis cell stack. This anode catalyst c...
Invention Anode catalyst layer, water electrolytic cell, and water electrolytic cell stack. Provided is an ...
Invention Anode catalyst, water electrolysis cell, and water electrolysis cell stack. BiiIrIrBIrIr) is -0.0...
2022 Invention Water electrolysis device. This water electrolysis device 10 is provided with: an electrolyte mem...
2021 Invention Calorimeter and calorie measurement method. Provided is a calorimeter (10) comprising: a combusti...
2020 Invention Calorimeter and calorimetry method. A calorimeter (10) provided with: a combustion unit (20) whic...
Invention Methane production apparatus, methane production method, carbon dioxide recovery apparatus, and c...
Invention Methane production apparatus, methane production method, carbon dioxide recovery device, and carb...
Invention Fuel cell unit, fuel cell system, and carbon dioxide recovery method. This fuel cell system has: ...
Invention Reaction device and fuel cell power generation system. wherein the hydrogen permeable membrane co...
Invention Reaction device and fuel cell power generation system. This reaction device is provided with: a f...
2019 Invention Fuel cell system and method of reprocessing off-gas. pa of a reaction A with respect to the repro...
Invention Fuel cell system and regeneration method of off-gas. papa of reaction A in the regenerated off-ga...
Invention Multiple cylindrical type reformer and hydrogen production apparatus. Provided is a multiple cyli...
Invention Hydrogen production apparatus. Provided is a hydrogen production apparatus provided with: a refor...
Invention Hydrogen producing device. This hydrogen producing device is provided with: a modifier that has a...
Invention Hydrogen production apparatus. This hydrogen production apparatus is provided with: a reformer ha...
Invention Carbon dioxide supply system. A carbon dioxide supply system 10A is provided with a fuel cell sys...
Invention Carbon dioxide production system. A carbon dioxide production system 10A includes: a fuel cell st...
Invention Carbon dioxide production system. This carbon dioxide production system 10A is provided with: a f...
2018 Invention Power interchange system. This power interchange system comprises a plurality of consumers that h...
Invention Fuel cell system and fuel cell control program. A fuel cell system that includes a first fuel cel...
Invention Fuel cell system and fuel cell control program. This fuel cell system is provided with: a first f...
2017 G/S Energy brokerage services; investment advisory services; venture capital advisory services; ventu...
G/S Business services, namely, assisting the owners of intellectual property and intangible assets in...
Invention Device for purifying exhaust gas with heat recovery function. A device for purifying exhaust gas ...
Invention Fuel cell system including a separation membrane. A fuel cell system including: a first fuel cell...
Invention Fuel cell system. A fuel cell system which is provided with: a first fuel cell which generates el...
Invention Methane oxidation catalyst. An improved methane oxidation catalyst including tin oxide-supported...
Invention Methane oxidation catalyst. The present invention enables a methane oxidation catalyst to exhibit...
Invention Method for producing methane in formation using microorganisms. Provided is a method for producin...
Invention Fuel cell unit. A solid oxide fuel cell stack has a surface from which via conductors for drawing...
Invention Seismic sensor and earthquake detection method. A seismic sensor detects an earthquake with at l...
Invention Seismic sensor and earthquake detection method. This seismic sensor detects an earthquake of a pr...
2016 Invention Byproduct hydrogen utilization system. One embodiment of the present invention pertains to a bypr...
Invention Oxygen adsorbent, oxygen manufacturing equipment using the oxygen adsorbent and oxygen manufactur...
Invention Seismic sensor and earthquake determination method. A seismic sensor that suppresses power consum...
Invention Seismic sensor and earthquake determination method. The present invention reduces the power consu...
Invention Gas meter system and heating value estimation method. A gas meter system is configured to: derive...
Invention Gas meter system and heating value derivation method. A gas meter system includes a gas meter, a ...
Invention Heating value derivation device and heating value derivation method. A heating value derivation d...
Invention Gas meter system and heating-value estimation method. Provided are a gas meter system which is ca...
Invention Gas meter system and heating-value derivation method. Provided is a gas meter system capable of a...
Invention Heating value derivation device and heating value derivation method. Provided are a heating value...
2015 Invention Fuel cell unit. A solid oxide fuel cell stack 12 has surfaces in which a via conductor for drawin...