Exhaust gas purification catalyst
US-12275001-B2 · Apr 15, 2025 · US
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Ota Takaya patents
Ota Takaya is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ota Takaya |
| Total patents | 28 |
| First publication | Apr 11, 2019 |
| Latest publication | Apr 15, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Exhaust gas purification device
US-2025073640-A1 · Mar 6, 2025 · US
Exhaust gas purification catalyst
US-12226755-B2 · Feb 18, 2025 · US
Exhaust gas purification system
US-12140060-B2 · Nov 12, 2024 · US
Exhaust gas purification catalyst
US-12138618-B2 · Nov 12, 2024 · US
Particulate filter
US-2024342654-A1 · Oct 17, 2024 · US
Exhaust gas purification device
US-12036510-B2 · Jul 16, 2024 · US
Exhaust gas purification device
US-11918986-B2 · Mar 5, 2024 · US
Exhaust gas purification system
US-2024018891-A1 · Jan 18, 2024 · US
Exhaust Gas Purification Catalyst
US-2023249159-A1 · Aug 10, 2023 · US
Recent patents
Latest publications not already listed above.
Exhaust gas purification device
US-11679379-B2 · Jun 20, 2023 · US
Methods for exhaust gas purification
US-11633724-B2 · Apr 25, 2023 · US
Exhaust Gas Purification Catalyst
US-2023078076-A1 · Mar 16, 2023 · US
Exhaust gas purification catalyst device
US-11524285-B2 · Dec 13, 2022 · US
Exhaust gas purification device
US-2022387983-A1 · Dec 8, 2022 · US
Exhaust gas purification device
US-2022370997-A1 · Nov 24, 2022 · US
Exhaust gas purification device
US-2022347626-A1 · Nov 3, 2022 · US
Methods for exhaust gas purification
US-2022339606-A1 · Oct 27, 2022 · US
Exhaust gas control apparatus and manufacturing method thereof
US-11473472-B2 · Oct 18, 2022 · US
Exhaust Gas Purification Catalyst
US-2022297094-A1 · Sep 22, 2022 · US
Exhaust-gas purification apparatus and method for manufacturing same
US-2022016601-A1 · Jan 20, 2022 · US
Exhaust gas control apparatus and manufacturing method thereof
US-2021324777-A1 · Oct 21, 2021 · US
Exhaust gas purification catalyst device
US-2021094027-A1 · Apr 1, 2021 · US
Exhaust gas purification catalyst device
US-2020376467-A1 · Dec 3, 2020 · US
Exhaust gas purifying catalyst
US-10814311-B2 · Oct 27, 2020 · US
Exhaust gas purification catalyst
US-10413885-B2 · Sep 17, 2019 · US
Exhaust gas purifying catalyst
US-2019193057-A1 · Jun 27, 2019 · US
Exhaust gas purification catalyst
US-2019105637-A1 · Apr 11, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cataler Corp | 28 |
| Toyota Motor Co Ltd | 20 |
| Sugiura Koji | 9 |
| Ota Takaya | 9 |
| Ikebe Masatoshi | 9 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D2255/1025 | 24 |
| B01J23/63 | 22 |
| B01D2255/9022 | 21 |
| B01D2255/407 | 21 |
| B01J37/0244 | 19 |