Construction history calculation system and terrain data generation system
US-2026073084-A1 · Mar 12, 2026 · US
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Hayakawa Naoki patents
Hayakawa Naoki is listed as an inventor on 22 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hayakawa Naoki |
| Total patents | 22 |
| First publication | Aug 11, 2016 |
| Latest publication | Mar 12, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Completed-work information processing system
US-12460390-B2 · Nov 4, 2025 · US
Work machine management system
US-12448755-B2 · Oct 21, 2025 · US
Electronic device
US-2025308782-A1 · Oct 2, 2025 · US
Electronic device
US-2025308787-A1 · Oct 2, 2025 · US
Diamantane compound, organic electroluminescent device material and organic electroluminescent device
US-2025051250-A1 · Feb 13, 2025 · US
Work machine
US-12146291-B2 · Nov 19, 2024 · US
Work machine with machine control that stores snapshot data for equipment abnormality diagnosis
US-12146293-B2 · Nov 19, 2024 · US
Working machine
US-12043989-B2 · Jul 23, 2024 · US
Electronic component
US-2024112860-A1 · Apr 4, 2024 · US
Recent patents
Latest publications not already listed above.
Work machine
US-11906641-B2 · Feb 20, 2024 · US
Completed-work information processing system
US-2023313504-A1 · Oct 5, 2023 · US
Work machine management system
US-2023313503-A1 · Oct 5, 2023 · US
Work machine
US-2022333338-A1 · Oct 20, 2022 · US
Work-implement external-shape measurement system, work-implement external-shape display system, work-implement control system and work machine
US-11434623-B2 · Sep 6, 2022 · US
Cyclic azine compound, material for organic light emitting diode, electron transport material for organic light emitting diode, and organic light emitting diode
US-2022274952-A1 · Sep 1, 2022 · US
Working machine
US-2022170243-A1 · Jun 2, 2022 · US
Work machine
US-2022049453-A1 · Feb 17, 2022 · US
Coordinate conversion system and work machine
US-2022026587-A1 · Jan 27, 2022 · US
Work-implement external-shape measurement system, work-implement external-shape display system, work-implement control system and work machine
US-2021156121-A1 · May 27, 2021 · US
Vehicle body manufacturing apparatus
US-10144467-B2 · Dec 4, 2018 · US
Vehicle body manufacturing apparatus
US-2016229471-A1 · Aug 11, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hitachi Construction Mach Co | 15 |
| Tdk Corp | 3 |
| Tosoh Corp | 2 |
| Sagami Chem Res Inst | 2 |
| Fuji Heavy Ind Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.