Yokohama, Japan

Masanori Arata

This inventor holds 30 USPTO granted patents and 3 published patent applications and 9 EPO patents, primarily in Permanent Magnet Motors. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing Corporation, Aisin Aw Co., Ltd.. Active years: 1988-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Arata. Retrieved from https://idiyas.com/inventor/masanori-arata

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

USPTO Granted Patents = 30 

% Patents Active = 96.7

 

Average Co-Inventor Count = 5.1

ph-index = 12

Forward Citations = 426(Granted Patents)


Location History:

  • Tokyo, JP (1988 - 2002)
  • Kanagawaken, JP (2003 - 2004)
  • Kanagawa, JP (2010 - 2012)
  • Totsuka-ku, JP (2014 - 2016)
  • Yokohama, JP (2000 - 2018)

Company Filing History:


Years Active: 1988-2018

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Areas of Expertise:
Permanent Magnet
Electric Motor
Rotating Machine
Rotor
Reluctance Motor
Armature Winding
Superconducting Generator
Power Generation
Electrical Machine
Axial Gap
Field Coils
30 patents (USPTO):Explore Patents

Title: Innovations by Masanori Arata: A Pioneer in Electrical Machine Patents

Introduction: Masanori Arata, based in Yokohama, Japan, is a distinguished inventor with a remarkable portfolio of approximately 30 patents. His contributions primarily focus on advancements in electrical machines, enhancing their efficiency and functionality.

Latest Patents: Among his latest inventions, Arata has developed the "Armature Winding of Rotating Electrical Machine," which features a sophisticated 3-phase even-numbered-pole 2-layered armature winding housed within 45 slots per pole in a laminated iron core. This innovation optimizes the placement of coil pieces within each phase belt to improve overall performance. Another notable patent is the "Permanent Magnet Electric Motor," which employs various types of permanent magnets to enhance magnetic flux control. This design includes a rotor/core configuration, resulting in a magnetic field generated from a short-circuit current to improve the motor's efficiency.

Career Highlights: Masanori Arata has had an impressive career, with significant tenure at Kabushiki Kaisha Toshiba and Toshiba Industrial Products Manufacturing Corporation. His work at these esteemed companies has allowed him to leverage his expertise in electrical engineering and innovate widely used technologies in the industry.

Collaborations: Throughout his career, Arata has collaborated with notable individuals such as Kazuto Sakai and Tadashi Tokumasu. These partnerships have contributed to the advancement of his research and have further articulated his place in the field of electrical engineering.

Conclusion: Masanori Arata's innovative spirit and dedication to advancing electrical machine technology underscore his significance as an inventor. With 30 patents to his name, his work continues to inspire and pave the way for future innovations in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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