Work machine and control system
US-12577755-B2 · Mar 17, 2026 · US
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Narikawa Ryu patents
Narikawa Ryu is listed as an inventor on 50 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Narikawa Ryu |
| Total patents | 50 |
| First publication | Sep 20, 2018 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Work machine
US-12529203-B2 · Jan 20, 2026 · US
Agent control system and agent control method
US-2025391271-A1 · Dec 25, 2025 · US
Loading work support system having a first position calculator, a posture detector and a second position calculator
US-12503827-B2 · Dec 23, 2025 · US
Autonomous control system
US-2025383665-A1 · Dec 18, 2025 · US
Agent Management System and Agent Management Method
US-2025315744-A1 · Oct 9, 2025 · US
Automated work system
US-12385220-B2 · Aug 12, 2025 · US
Work machine
US-2025223784-A1 · Jul 10, 2025 · US
Work vehicle
US-2025207353-A1 · Jun 26, 2025 · US
Work machine control system
US-12331483-B2 · Jun 17, 2025 · US
Recent patents
Latest publications not already listed above.
Work machine
US-12264452-B2 · Apr 1, 2025 · US
Work machine
US-2025059725-A1 · Feb 20, 2025 · US
Autonomous control system and autonomous control method
US-2025010861-A1 · Jan 9, 2025 · US
Work machine
US-2024376687-A1 · Nov 14, 2024 · US
Work machine
US-2024376693-A1 · Nov 14, 2024 · US
Work machine
US-12065805-B2 · Aug 20, 2024 · US
Work machine
US-12012723-B2 · Jun 18, 2024 · US
Work machine
US-11970840-B2 · Apr 30, 2024 · US
Work management system and work machine
US-2024125096-A1 · Apr 18, 2024 · US
Work machine
US-11879233-B2 · Jan 23, 2024 · US
Work Machine
US-2023366178-A1 · Nov 16, 2023 · US
Work machine
US-2023358014-A1 · Nov 9, 2023 · US
Automated work system
US-2023332377-A1 · Oct 19, 2023 · US
Loading work support system
US-2023332374-A1 · Oct 19, 2023 · US
Work Machine Control System
US-2023295898-A1 · Sep 21, 2023 · US
Construction machine
US-11668069-B2 · Jun 6, 2023 · US
Work machine
US-11649612-B2 · May 16, 2023 · US
Work machine
US-11639593-B2 · May 2, 2023 · US
Work machine and control system
US-2022412052-A1 · Dec 29, 2022 · US
Work machine
US-2022316173-A1 · Oct 6, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hitachi Construction Mach Co | 44 |
| Hitachi Ltd | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E02F3/435 | 32 |
| E02F9/262 | 30 |
| E02F9/2033 | 29 |
| E02F3/437 | 22 |
| E02F9/26 | 21 |