Gas supply system
US-12584591-B2 · Mar 24, 2026 · US
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Sugiura Koji patents
Sugiura Koji is listed as an inventor on 59 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sugiura Koji |
| Total patents | 59 |
| First publication | Jan 22, 2015 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Exhaust gas purification device
US-2025387783-A1 · Dec 25, 2025 · US
Method for disconnecting gas tank
US-12460777-B2 · Nov 4, 2025 · US
Gas supply device
US-2025314354-A1 · Oct 9, 2025 · US
Method for replacing gas tank
US-2025290605-A1 · Sep 18, 2025 · US
Gas supply device
US-2025264190-A1 · Aug 21, 2025 · US
Hydrogen consumption system
US-2025192209-A1 · Jun 12, 2025 · US
Hydrogen consumption system
US-2025174689-A1 · May 29, 2025 · US
Hydrogen filling method
US-12247700-B2 · Mar 11, 2025 · US
Exhaust gas purification device
US-2025073640-A1 · Mar 6, 2025 · US
Recent patents
Latest publications not already listed above.
Fluid tank
US-12173850-B2 · Dec 24, 2024 · US
Exhaust gas purification system
US-12140060-B2 · Nov 12, 2024 · US
Particulate filter
US-2024342654-A1 · Oct 17, 2024 · US
Antiviral agent, coating composition, resin composition and antiviral product
US-12041936-B2 · Jul 23, 2024 · US
Exhaust gas purification device
US-12036510-B2 · Jul 16, 2024 · US
Gas supply system
US-2024209989-A1 · Jun 27, 2024 · US
Exhaust gas purification device
US-11918986-B2 · Mar 5, 2024 · US
Hydrogen filling method
US-2024035623-A1 · Feb 1, 2024 · US
Exhaust gas purification system
US-2024018891-A1 · Jan 18, 2024 · US
Fluid tank
US-2023408041-A1 · Dec 21, 2023 · US
Exhaust gas purification device
US-11679379-B2 · Jun 20, 2023 · US
Exhaust gas purification device
US-11660589-B2 · May 30, 2023 · US
Exhaust gas purification device
US-11602742-B2 · Mar 14, 2023 · 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
Exhaust gas control apparatus and manufacturing method thereof
US-11473472-B2 · Oct 18, 2022 · US
Structure for exhaust purification
US-11415039-B2 · Aug 16, 2022 · US
Vehicle driving control system and vehicle driving control method
US-11267486-B2 · Mar 8, 2022 · US
Exhaust gas control apparatus and manufacturing method thereof
US-2021324777-A1 · Oct 21, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toyota Motor Co Ltd | 35 |
| Toagosei Co Ltd | 21 |
| Cataler Corp | 21 |
| Sugiura Koji | 17 |
| Ikebe Masatoshi | 17 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01N3/035 | 19 |
| F01N3/2803 | 16 |
| A61L9/01 | 15 |
| F01N3/0222 | 15 |
| B01D2255/1025 | 14 |