Spool valve
US-12044331-B2 · Jul 23, 2024 · US
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Aoki Seiji patents
Aoki Seiji is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Aoki Seiji |
| Total patents | 12 |
| First publication | May 13, 2021 |
| Latest publication | Jul 23, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Valve unit and valve equipment
US-2024035255-A1 · Feb 1, 2024 · US
Multi-control valve device
US-11828305-B2 · Nov 28, 2023 · US
Multi-control valve
US-2023375096-A1 · Nov 23, 2023 · US
Spool valve
US-2023140241-A1 · May 4, 2023 · US
Multi-control valve device
US-2023013888-A1 · Jan 19, 2023 · US
Hydraulic excavator drive system
US-11371206-B2 · Jun 28, 2022 · US
Hydraulic circuit of construction machine
US-11242671-B2 · Feb 8, 2022 · US
Hydraulic excavator drive system
US-2021372077-A1 · Dec 2, 2021 · US
Hydraulic circuit of construction machine
US-11131080-B2 · Sep 28, 2021 · US
Recent patents
Latest publications not already listed above.
Hydraulic circuit of construction machine
US-2021270015-A1 · Sep 2, 2021 · US
Hydraulic circuit of construction machine
US-2021140144-A1 · May 13, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Kawasaki Heavy Ind Ltd | 12 |
| Caterpillar Sarl | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E02F9/2267 | 10 |
| E02F9/2225 | 7 |
| E02F9/225 | 4 |
| E02F9/2228 | 4 |
| F15B2211/7135 | 4 |