Crankshaft and method of manufacturing forged material for crankshaft
US-12403526-B2 · Sep 2, 2025 · US
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Kubota Manabu patents
Kubota Manabu is listed as an inventor on 79 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kubota Manabu |
| Total patents | 79 |
| First publication | Jan 6, 2015 |
| Latest publication | Sep 2, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Crankshaft
US-12352309-B2 · Jul 8, 2025 · US
Communication apparatus and temperature monitoring method
US-12353199-B2 · Jul 8, 2025 · US
Railway wheel
US-12049102-B2 · Jul 30, 2024 · US
Crankshaft and method of manufacturing forged material for crankshaft
US-2024091847-A1 · Mar 21, 2024 · US
Railway wheel
US-11890894-B2 · Feb 6, 2024 · US
Communication apparatus and error detection method
US-11863230-B2 · Jan 2, 2024 · US
Crankshaft
US-2023304528-A1 · Sep 28, 2023 · US
Method for producing railway wheel and railway wheel
US-11761053-B2 · Sep 19, 2023 · US
Communication device and communication method for plant control system
US-11765203-B2 · Sep 19, 2023 · US
Recent patents
Latest publications not already listed above.
Crankshaft and method of manufacturing the same
US-11739788-B2 · Aug 29, 2023 · US
Sintered friction material for railway vehicles and method for producing the same
US-11674206-B2 · Jun 13, 2023 · US
Railway wheel
US-2023119875-A1 · Apr 20, 2023 · US
Communication apparatus and temperature monitoring method
US-2023109949-A1 · Apr 13, 2023 · US
Communication apparatus and error coping method
US-2023112053-A1 · Apr 13, 2023 · US
Communication apparatus and error detection method
US-2023070907-A1 · Mar 9, 2023 · US
Brake lining for railway vehicle, disc brake system for railway vehicle including same, and sintered friction material to be used for brake lining for railway vehicle
US-11578775-B2 · Feb 14, 2023 · US
Sintered friction material
US-11534829-B2 · Dec 27, 2022 · US
Railway wheel
US-11458762-B2 · Oct 4, 2022 · US
Communication device and communication method for plant control system
US-2022182411-A1 · Jun 9, 2022 · US
Railway wheel
US-2022032681-A1 · Feb 3, 2022 · US
Fiber module
US-11237334-B2 · Feb 1, 2022 · US
Railway wheel
US-2022024247-A1 · Jan 27, 2022 · US
Hot rolled steel and steel component
US-2021285068-A1 · Sep 16, 2021 · US
Steel for cold forging and manufacturing method thereof
US-11111568-B2 · Sep 7, 2021 · US
Railway wheel
US-11110741-B2 · Sep 7, 2021 · US
Brake lining for railway vehicle, disc brake system for railway vehicle including same, and sintered friction material to be used for brake lining for railway vehicle
US-2021180660-A1 · Jun 17, 2021 · US
Crankshaft and method of manufacturing the same
US-2021172470-A1 · Jun 10, 2021 · US
Induction-hardened crankshaft and method of manufacturing roughly shaped material for induction-hardened crankshaft
US-2021115966-A1 · Apr 22, 2021 · US
Fiber module
US-2021041631-A1 · Feb 11, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nippon Steel & Sumitomo Metal Corp | 46 |
| Nippon Steel Corp | 31 |
| Kubota Manabu | 10 |
| Nippon Telegraph & Telephone | 7 |
| Fine Sinter Co Ltd | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C22C38/02 | 58 |
| C22C38/04 | 57 |
| C22C38/06 | 54 |
| C22C38/001 | 51 |
| C22C38/24 | 45 |