Exhaust gas purification filter
US-9718026-B2 · Aug 1, 2017 · US
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Koutake Ryota patents
Koutake Ryota holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Oct 22, 2015 |
| Latest publication | Aug 1, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Exhaust purification device for internal combustion engine
US-9689296-B2 · Jun 27, 2017 · US
Exhaust purification filter
US-2015322832-A1 · Nov 12, 2015 · US
Exhaust gas purification filter
US-2015298058-A1 · Oct 22, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Exhaust gas purification filter
US-9718026-B2 · Aug 1, 2017 · US
Exhaust purification device for internal combustion engine
US-9689296-B2 · Jun 27, 2017 · US
Exhaust purification filter
US-2015322832-A1 · Nov 12, 2015 · US
Exhaust gas purification filter
US-2015298058-A1 · Oct 22, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| F01N3/0222 | 4 |
| F01N3/035 | 4 |
| F01N2510/0682 | 4 |
| B01J35/40 | 2 |
| B01J35/56 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 4 |
| Operations & Transport | 3 |
| Cross-Sectional Technologies | 1 |