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For the Inventor, By the Inventor

Tokyo, Japan

Masaki Horii

This inventor holds 18 USPTO granted patents and 4 EPO patents. Top assignee: Mitsubishi Electric Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Horii. Retrieved from https://idiyas.com/inventor/masaki-horii

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

USPTO Granted Patents = 18

% Patents Active = 44.4

 

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 49(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2011 - 2019)
  • Tokyo, JP (2015 - 2019)

Company Filing History:

goldMedal18 out of 16,586 
 
Mitsubishi Electric Corporation
 patents

Years Active: 2011-2026

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18 patents (USPTO):Explore Patents
1. 12712465 - POWER CONVERSION DEVICE (2026-08-18),
2. 10404139 - Rotary electric machine (2019-09-03),
3. 10320247 - Embedded permanent magnet rotary electric machine (2019-06-11),
4. 10164491 - Rotary electric machine (2018-12-25),
5. 10116178 - Rotor with embedded permanent magnet having adhesive on one side and cooling channels on the other side (2018-10-30),
6. 9991754 - Embedded permanent magnet rotary electric machine (2018-06-05),
7. 9960649 - Rotating electric machine (2018-05-01),
8. 9847698 - Rotating electric machine and method of operating the same (2017-12-19),
9. 9570950 - Permanent magnet embedded rotary electric machine (2017-02-14),
10. 9018794 - Electric power controller for vehicle with stop start system (2015-04-28),
11. 8788167 - Control system of transmission (2014-07-22),
12. 8698453 - Full charge control apparatus for onboard battery (2014-04-15),
13. 8239105 - Control device and control method of automatic transmission (2012-08-07),
14. 8229635 - Control device of automatic transmission (2012-07-24),
15. 8219290 - Control apparatus for transmission (2012-07-10),

Title: Masaki Horii: Innovator in Rotary Electric Machines

Introduction

Masaki Horii is a prominent inventor based in Chiyoda-ku, Japan. He has made significant contributions to the field of rotary electric machines, holding a total of 18 patents. His innovative designs focus on enhancing the efficiency and functionality of electric machines.

Latest Patents

One of Horii's latest patents is for a rotary electric machine that features an annular cooling oil channel. This design includes an oil pump and a nozzle that sprays cooling oil into the channel, ensuring effective cooling of the coils arranged in an annular shape. Additionally, he has developed an embedded permanent magnet rotary electric machine that incorporates ventilation apertures and a centrifugal fan, optimizing airflow and cooling during operation.

Career Highlights

Masaki Horii is currently employed at Mitsubishi Electric Corporation, where he continues to push the boundaries of innovation in electric machinery. His work has been instrumental in advancing the technology used in various applications, making him a key figure in the industry.

Collaborations

Throughout his career, Horii has collaborated with notable colleagues such as Takeru Okabe and Shiro Yonezawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Masaki Horii's contributions to rotary electric machines exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of engineering principles and a commitment to improving technology.

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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