Hitachinaka, Japan

Hiroyuki Mikami

This inventor holds 19 USPTO granted patents and 3 published patent applications and 5 EPO patents, primarily in Rotating Electrical Machines. Top assignees: Hitachi, Ltd., Hitachi Appliances, Inc, Adv Antest Corporation. Active years: 2002-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Mikami. Retrieved from https://idiyas.com/inventor/hiroyuki-mikami

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 47.4

 

Average Co-Inventor Count = 4.7

ph-index = 7

Forward Citations = 106(Granted Patents)


Location History:

  • Tokyo, JP (2004)
  • Hitachinaka, JP (2002 - 2014)

Company Filing History:


Years Active: 2002-2014

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Areas of Expertise:
Squirrel-Cage Induction Motor
Permanent Magnet Synchronous Motor
Synchronous Generator
Electrical Machine System
Wind Power Generating System
Compressor Drive System
Variable Delay Circuit
Rotor Design
Power Generation System
Magnetization Method
19 patents (USPTO):Explore Patents

Title: Hiroyuki Mikami: Innovator in Squirrel-Cage Induction Motors

Introduction

Hiroyuki Mikami is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of squirrel-cage induction motors. With a total of 18 patents to his name, Mikami's work has had a lasting impact on motor efficiency and design.

Latest Patents

Mikami's latest patents include innovations aimed at enhancing the efficiency of squirrel-cage induction motors. One notable invention focuses on providing a squirrel-cage induction motor with high efficiency. This design features a stator with windings arranged in stator slots and a rotor with conductors embedded in rotor slots. The rotor core is constructed from multiple blocks, with an annular short-circuit ring connecting the rotor conductors. Additionally, the laminated thickness of the rotor core is greater than that of the stator core. Another patent details a squirrel-cage induction motor that includes a stator core and rotor core, both designed to optimize the area ratio of stator to rotor slots, ensuring compatibility between starting torque and high efficiency.

Career Highlights

Throughout his career, Hiroyuki Mikami has worked with notable companies such as Hitachi, Ltd. and Hitachi Appliances, Inc. His experience in these organizations has allowed him to refine his expertise in motor technology and contribute to various innovative projects.

Collaborations

Mikami has collaborated with esteemed colleagues, including Mamoru Kimura and Daisuke Kori. Their combined efforts have further advanced the field of electrical engineering and motor design.

Conclusion

Hiroyuki Mikami's contributions to the development of squirrel-cage induction motors exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving motor efficiency, making a significant impact 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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