Motoki Ohta

This inventor holds 29 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent and 11 EPO patents, primarily in Magnetic Materials. Top assignees: Hitachi Metals, Ltd., Proterial, Ltd., Sharp Kabushiki Kaisha Corporation. Active years: 2011-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoki Ohta. Retrieved from https://idiyas.com/inventor/motoki-ohta

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 29 (Patent Applications = 6)

% Patents Active = 86.2

CIPO Patents = 1

EPO Patents = 11 (Patent Applications = 9)

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 56(Granted Patents)

Location History:

Kumagaya, JP (2011 - 2013)
Shimamoto, JP (2014)
Osaka, JP (2015 - 2018)
Mishima-gun, JP (2015 - 2019)
Sakai, JP (2020)
South Carolina, SC (US) (2022)
Conway, SC (US) (2022)
Tokyo, JP (2021 - 2024)

Company Filing History:

Sharp Kabushiki Kaisha Corporation

where one patent can have more than one assignee

Years Active: 2011-2025

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Areas of Expertise:

Rotating Electrical Machine

Magnetic Core Powder

Amorphous Alloy Ribbon

Soft Magnetic Alloy

Nanocrystalline Alloy

Image Forming Apparatus

Laminated Core

Thin Strip

Magnetic Device

Production Method

Crystalline Alloy Powder

Magnetic Part

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12355301 - Stator for rotating electrical machine, rotating electrical machine, method for manufacturing stator for rotating electrical machine, and method for manufacturing rotating electrical machine (2025-07-08),

2. 12251760 - Magnetic core powder, magnetic core and coil device using it, and method for producing magnetic core powder (2025-03-18),

3. 12002607 - Fe-based amorphous alloy ribbon and method for producing same, iron core, and transformer (2024-06-04),

4. 11975377 - Amorphous metal thin strip, laminated core, and amorphous metal thin ribbon punching method (2024-05-07),

5. 11798718 - Soft magnetic alloy, soft magnetic alloy ribbon, method of manufacturing soft magnetic alloy ribbon, magnetic core, and component (2023-10-24),

6. 11613799 - Fe-based amorphous alloy ribbon for Fe-based nanocrystalline alloy, and method for manufacturing the same (2023-03-28),

7. 11545286 - Crystalline Fe-based alloy powder and method for producing same (2023-01-03),

8. 11484942 - Alloy powder, fe-based nanocrystalline alloy powder and magnetic core (2022-11-01),

9. 11322281 - Multilayer block core, multilayer block, and method for producing multilayer block (2022-05-03),

10. 11264156 - Magnetic core based on a nanocrystalline magnetic alloy (2022-03-01),

11. 11230754 - Nanocrystalline magnetic alloy and method of heat-treatment thereof (2022-01-25),

12. 11170920 - Fe-based nanocrystalline alloy powder, method of producing the same, Fe-based amorphous alloy powder, and magnetic core (2021-11-09),

13. 10845744 - Fixing device and image forming apparatus (2020-11-24),

14. 10468182 - Rapidly quenched Fe-based soft-magnetic alloy ribbon and its production method and core (2019-11-05),

15. 10115509 - Ultrafine-crystalline alloy ribbon, fine-crystalline, soft-magnetic alloy ribbon, and magnetic device comprising it (2018-10-30),

Title: Motoki Ohta: Pioneering Innovations in Fe-based Alloys

Introduction:

Motoki Ohta, a visionary inventor hailing from Kumagaya, Japan, has made significant contributions to the field of materials science with his groundbreaking work in Fe-based alloys. With an impressive portfolio of 24 patents, Ohta is recognized for his unwavering dedication to innovation and his relentless pursuit of excellence.

Latest Patents:

Among Ohta's most recent patents is the "Fe-based amorphous alloy ribbon for Fe-based nanocrystalline alloy." This invention introduces an Fe-based amorphous alloy ribbon with specific structural features, revolutionizing the manufacturing process of nanocrystalline alloys. Additionally, Ohta developed the "Crystalline Fe-based alloy powder and method for producing same," showcasing his expertise in producing Fe-based alloy particles with nanocrystal grains of exceptional quality.

Career Highlights:

Ohta's illustrious career includes pivotal roles at renowned companies such as Hitachi Metals, Ltd. and Sharp Kabushiki Kaisha Corporation. His tenure at these industry giants provided him with invaluable experience and a platform to bring his innovative ideas to fruition.

Collaborations:

Throughout his career, Ohta has collaborated with esteemed professionals such as Yoshihito Yoshizawa and Naoki Ito. Together, they have worked on cutting-edge projects that have pushed the boundaries of materials science and paved the way for new advancements in the industry.

Conclusion:

Motoki Ohta's remarkable journey as an inventor is characterized by his passion for pushing the limits of what is possible in the world of Fe-based alloys. His relentless pursuit of excellence and commitment to innovation have cemented his legacy as a prominent figure in the realm of inventors. Ohta's groundbreaking patents and career highlights stand as a testament to his remarkable contributions to the field, inspiring future generations to continue pushing the boundaries of innovation.

Profile summary based on public USPTO records.