Rotary electric machine
US-12573892-B2 · Mar 10, 2026 · US
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Tokoi Hirooki patents
Tokoi Hirooki is listed as an inventor on 45 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Tokoi Hirooki |
| Total patents | 45 |
| First publication | Jan 1, 2015 |
| Latest publication | Mar 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Rotary electrical machine and industrial machine
US-2025343447-A1 · Nov 6, 2025 · US
Rotating Electric Machine and Industrial Machine
US-2025337294-A1 · Oct 30, 2025 · US
Rotating Electric Machine and Industrial Machine
US-2025253731-A1 · Aug 7, 2025 · US
Conveyance apparatus
US-2025251418-A1 · Aug 7, 2025 · US
Power conversion device and metal processing device
US-12255551-B2 · Mar 18, 2025 · US
Power conversion device and press apparatus
US-11984816-B2 · May 14, 2024 · US
Dynamo-Electric Machine
US-2024128824-A1 · Apr 18, 2024 · US
Rotary Electric Machine
US-2024097508-A1 · Mar 21, 2024 · US
Power Conversion Device and Metal Processing Device
US-2023238897-A1 · Jul 27, 2023 · US
Recent patents
Latest publications not already listed above.
Power Conversion Device and Press Apparatus
US-2022385204-A1 · Dec 1, 2022 · US
Axial air-gap rotary electric machine having a different number of internal side layers and external side layers
US-11251670-B2 · Feb 15, 2022 · US
Axial gap dynamo-electric machine
US-11205935-B2 · Dec 21, 2021 · US
Axial gap type rotating electric machine and stator
US-11190062-B2 · Nov 30, 2021 · US
Axial-gap dynamo-electric machine
US-11165312-B2 · Nov 2, 2021 · US
Axial gap type rotary electric machine
US-10992203-B2 · Apr 27, 2021 · US
Axial Gap Type Rotary Electric Machine
US-2020395808-A1 · Dec 17, 2020 · US
Electromechanical integral motor
US-10804765-B2 · Oct 13, 2020 · US
Axial-air-gap dynamo-electric machine with a tubular-shaped stator bobbin
US-10763716-B2 · Sep 1, 2020 · US
Axial gap rotary electric machine
US-10756600-B2 · Aug 25, 2020 · US
Axial gap rotary electric machine
US-10566876-B2 · Feb 18, 2020 · US
Axial air gap type electric motor
US-10536042-B2 · Jan 14, 2020 · US
Axial air gap rotating electric machine
US-10530210-B2 · Jan 7, 2020 · US
Axial Gap Dynamo-Electric Machine
US-2020006998-A1 · Jan 2, 2020 · US
Axial air-gap rotary electric machine
US-10523100-B2 · Dec 31, 2019 · US
Axial air gap rotating electric machine and rotating electric machine bobbin
US-10454325-B2 · Oct 22, 2019 · US
Axial Gap Rotary Electric Machine
US-2019058374-A1 · Feb 21, 2019 · US
Axial Gap Rotary Electric Machine
US-2019058375-A1 · Feb 21, 2019 · US
Electromechanical integral motor
US-2018358863-A1 · Dec 13, 2018 · US
Axial Gap Type Rotating Electric Machine and Stator
US-2018351419-A1 · Dec 6, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hitachi Industry Equipment Systems Co Ltd | 29 |
| Hitachi Ltd | 17 |
| Hitachi High Tech Corp | 1 |
| Iwasaki Norihisa | 1 |
| Tokoi Hirooki | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H02K21/24 | 30 |
| H02K1/182 | 17 |
| H02K11/40 | 14 |
| H02K2203/12 | 12 |
| H02K16/02 | 9 |