Crack estimation device, failure diagnosis device, crack estimation method, and failure diagnosis method for rotating machine
US-12442738-B2 · Oct 14, 2025 · US
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Akiyoshi Masao patents
Akiyoshi Masao is listed as an inventor on 53 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Akiyoshi Masao |
| Total patents | 53 |
| First publication | Mar 12, 2015 |
| Latest publication | Oct 14, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Crack estimation device and crack estimation method
US-12313601-B2 · May 27, 2025 · US
Vacuum circuit breaker
US-12217921-B2 · Feb 4, 2025 · US
Inspection device and inspection method
US-2024353287-A1 · Oct 24, 2024 · US
Semiconductor device and manufacturing method therefor
US-12080673-B2 · Sep 3, 2024 · US
Rotating electric machine test method, rotating electric machine test device, and rotating electric machine
US-11913991-B2 · Feb 27, 2024 · US
Inspection device for rotating electric machine and method of inspecting rotating electric machine
US-11892510-B2 · Feb 6, 2024 · US
Crack estimation device and crack estimation method
US-2023251170-A1 · Aug 10, 2023 · US
Vacuum circuit breaker
US-2023145798-A1 · May 11, 2023 · US
Rotor of rotating electrical machine and repairing method therefor
US-11646614-B2 · May 9, 2023 · US
Recent patents
Latest publications not already listed above.
Crack estimation device, failure diagnosis device, crack estimation method, and failure diagnosis method for rotating machine
US-2023049804-A1 · Feb 16, 2023 · US
Crack estimation device, crack estimation method, crack inspection method, and failure diagnosis method
US-2023003626-A1 · Jan 5, 2023 · US
Inspection device for rotating electric machine, rotating electric machine, and method of inspecting rotating electric machine
US-2022407393-A1 · Dec 22, 2022 · US
Inspection device for rotating electrical machines and method for inspecting rotating electrical machines
US-2022276045-A1 · Sep 1, 2022 · US
Estimation device and estimation method
US-11428612-B2 · Aug 30, 2022 · US
Semiconductor device and manufacturing method therefor
US-2022262761-A1 · Aug 18, 2022 · US
Inspection device for rotating electric machine and method of inspecting rotating electric machine
US-2022206071-A1 · Jun 30, 2022 · US
Rotor of rotating electrical machine and repairing method therefor
US-2022158510-A1 · May 19, 2022 · US
Estimation device and estimation method
US-2022082482-A1 · Mar 17, 2022 · US
Rotating electric machine test method, rotating electric machine test device, and rotating electric machine
US-2022034968-A1 · Feb 3, 2022 · US
Rotary electric machine including rectifying parts and intake parts
US-10874014-B2 · Dec 22, 2020 · US
Rotating electrical machine
US-10811938-B2 · Oct 20, 2020 · US
Automotive alternator
US-10778066-B2 · Sep 15, 2020 · US
Rotor of vehicle AC generator
US-10630146-B2 · Apr 21, 2020 · US
Automotive alternator
US-10491081-B2 · Nov 26, 2019 · US
Vehicle-use rotating electric machine
US-10374493-B2 · Aug 6, 2019 · US
Automotive alternator
US-10199908-B2 · Feb 5, 2019 · US
Rotating electrical machine
US-2019020243-A1 · Jan 17, 2019 · US
Air-conditioning indoor unit with axial fans and heat exchanger partition
US-10113816-B2 · Oct 30, 2018 · US
Rectifier of AC generator for vehicle
US-D823252-S · Jul 17, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mitsubishi Electric Corp | 53 |
| Akiyoshi Masao | 10 |
| Koga Kiyonori | 4 |
| Ochiai Hiroyuki | 2 |
| Watanabe Mitsutoshi | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H02K9/06 | 21 |
| H02K11/05 | 15 |
| H02K11/046 | 12 |
| G01M5/0033 | 7 |
| G01N3/08 | 7 |