Methane production apparatus, methane production method, carbon dioxide recovery apparatus, and carbon dioxide recovery method
US-11787753-B2 · Oct 17, 2023 · US
Tokyo Gas Co Ltd patents
Tokyo Gas Co Ltd holds 14 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 14 |
| Recent patents | 1 |
| First publication | Jun 4, 2015 |
| Latest publication | Oct 17, 2023 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Methane production apparatus, methane production method, carbon dioxide recovery apparatus, and carbon dioxide recovery method
US-2022204422-A1 · Jun 30, 2022 · US
Seismic sensor and earthquake determination method
US-10739476-B2 · Aug 11, 2020 · US
Fuel cell unit
US-10497944-B2 · Dec 3, 2019 · US
Methane oxidation catalyst
US-2019193056-A1 · Jun 27, 2019 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Methane production apparatus, methane production method, carbon dioxide recovery apparatus, and carbon dioxide recovery method
US-11787753-B2 · Oct 17, 2023 · US
Methane production apparatus, methane production method, carbon dioxide recovery apparatus, and carbon dioxide recovery method
US-2022204422-A1 · Jun 30, 2022 · US
Seismic sensor and earthquake determination method
US-10739476-B2 · Aug 11, 2020 · US
Fuel cell unit
US-10497944-B2 · Dec 3, 2019 · US
Methane oxidation catalyst
US-2019193056-A1 · Jun 27, 2019 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| B01D2253/1124 | 4 |
| B01D2257/104 | 4 |
| B01D2256/10 | 4 |
| C01B13/0259 | 4 |
| B01D2259/402 | 4 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 7 |
| Chemistry & Metallurgy | 6 |
| Physics | 3 |
| Electricity | 3 |
| Cross-Sectional Technologies | 3 |
| Mechanical Engineering | 2 |
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Tokyo Gas Co Ltd have in patentsdb?
- Tokyo Gas Co Ltd is linked to 14 publications as assignee in our database.
- What technology areas does Tokyo Gas Co Ltd patent most?
- Top mapped technology areas by patent count: Operations & Transport (7); Chemistry & Metallurgy (6); Physics (3).
- Is Tokyo Gas Co Ltd's patent activity growing?
- In our data, assignee counts were 1 in 2022 and 1 in 2023 (similar year over year).
- What are recent patents assigned to Tokyo Gas Co Ltd?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.