Exhaust gas purification device
US-2025073640-A1 · Mar 6, 2025 · US
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Ota Takaya patents
Ota Takaya holds 9 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 9 |
| Recent patents | 6 |
| First publication | Nov 3, 2022 |
| Latest publication | Mar 6, 2025 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Exhaust gas purification system
US-12140060-B2 · Nov 12, 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
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Exhaust gas purification device
US-2025073640-A1 · Mar 6, 2025 · US
Exhaust gas purification system
US-12140060-B2 · Nov 12, 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
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 9 |
| Operations & Transport | 7 |
| Cross-Sectional Technologies | 4 |