Exhaust gas purification device
US-12031465-B2 · Jul 9, 2024 · US
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Chinzei Isao patents
Chinzei Isao is listed as an inventor on 56 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chinzei Isao |
| Total patents | 56 |
| First publication | Sep 24, 2015 |
| Latest publication | Jul 9, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Exhaust gas purification catalyst
US-11801492-B2 · Oct 31, 2023 · US
Exhaust gas purification catalyst
US-11795855-B2 · Oct 24, 2023 · US
Exhaust gas purification device
US-11759769-B2 · Sep 19, 2023 · US
Exhaust gas purification catalyst
US-11725556-B2 · Aug 15, 2023 · US
Exhaust gas purification catalyst
US-11719144-B2 · Aug 8, 2023 · US
Methods for exhaust gas purification
US-11633724-B2 · Apr 25, 2023 · US
Exhaust gas purification catalyst
US-11577226-B2 · Feb 14, 2023 · US
Exhaust gas purification catalyst
US-11559768-B2 · Jan 24, 2023 · US
Exhaust gas purification catalyst
US-2023016121-A1 · Jan 19, 2023 · US
Recent patents
Latest publications not already listed above.
Exhaust gas purification catalyst device
US-11524285-B2 · Dec 13, 2022 · US
Exhaust gas purification device
US-11504704-B2 · Nov 22, 2022 · US
Methods for exhaust gas purification
US-2022339606-A1 · Oct 27, 2022 · US
Exhaust gas purification catalyst
US-2022298942-A1 · Sep 22, 2022 · US
Exhaust gas control catalyst
US-11426710-B2 · Aug 30, 2022 · US
Exhaust gas purification catalyst
US-11400436-B2 · Aug 2, 2022 · US
Exhaust gas purification device
US-2022118428-A1 · Apr 21, 2022 · US
Exhaust gas purification device
US-2022106900-A1 · Apr 7, 2022 · US
Exhaust gas cleaning catalyst
US-11286830-B2 · Mar 29, 2022 · US
Exhaust gas purification device
US-2022062884-A1 · Mar 3, 2022 · US
Exhaust gas purification catalyst
US-2021301706-A1 · Sep 30, 2021 · US
Exhaust gas purification catalyst
US-2021205790-A1 · Jul 8, 2021 · US
Exhaust gas purification catalyst
US-11053833-B2 · Jul 6, 2021 · US
Exhaust gas purification catalyst
US-2021199037-A1 · Jul 1, 2021 · US
Exhaust gas purification catalyst
US-2021197176-A1 · Jul 1, 2021 · US
Exhaust gas control catalyst
US-2021197175-A1 · Jul 1, 2021 · US
Exhaust gas purification catalyst device
US-2021094027-A1 · Apr 1, 2021 · US
Ceria-zirconia-based composite oxide and method for producing same, and exhaust gas purification catalyst including ceria-zirconia-based composite oxide
US-10913051-B2 · Feb 9, 2021 · US
Exhaust gas purification catalyst device
US-2020376467-A1 · Dec 3, 2020 · US
Exhaust gas purification catalyst
US-2020355106-A1 · Nov 12, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toyota Motor Co Ltd | 56 |
| Cataler Corp | 43 |
| Chinzei Isao | 23 |
| Miura Masahide | 20 |
| Suzuki Hiromasa | 14 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J23/63 | 44 |
| Y02T10/12 | 41 |
| B01J35/19 | 37 |
| B01D2255/908 | 32 |
| B01D2255/407 | 31 |