Hirokazu Matsuzaki

This inventor holds 14 USPTO granted patents, plus 1 CIPO patent and 11 EPO patents. Top assignees: Fujitsu General Limited, Nissan Motor Company Limited, Fuji Xerox Co., Ltd.. Active years: 2009-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Matsuzaki. Retrieved from https://idiyas.com/inventor/hirokazu-matsuzaki

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

USPTO Granted Patents = 14

% Patents Active = 85.7

CIPO Patents = 1

EPO Patents = 11 (Patent Applications = 6)

Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 59(Granted Patents)

Location History:

Kawasaki, JP (2009 - 2012)
Yamoto, JP (2014)
Yamato, JP (2016 - 2017)
Kanagawa, JP (2009 - 2022)

Company Filing History:

8 out of 414

Fujitsu General Limited

patents

4 out of 13,420

Nissan Motor Company Limited

where one patent can have more than one assignee

Years Active: 2009-2022

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11303172 - Rotor for rotating electrical machine and rotor core support structure for rotating electrical machine (2022-04-12),

2. 10404119 - Terminal block of rotating electric machine (2019-09-03),

3. 9633888 - Semiconductor manufacturing device and method of manufacturing semiconductor chip (2017-04-25),

4. 9543671 - Terminal block (2017-01-10),

5. 9502945 - Cooling structure for electric motor (2016-11-22),

6. 9368406 - Method for manufacturing semiconductor chip (2016-06-14),

7. 8917007 - Axial gap motor with magnetically securely coupled stator cores and pump device (2014-12-23),

8. 8196283 - Method for manufacturing an axial air-gap electronic motor (2012-06-12),

9. 7986064 - Electrical motor (2011-07-26),

10. 7667368 - Axial air-gap electronic motor (2010-02-23),

11. 7608954 - Electric motor (2009-10-27),

12. 7569958 - Axial air-gap electronic motor (2009-08-04),

13. 7554226 - Axial air gap type electric motor (2009-06-30),

14. 7531937 - Axial air-gap electronic motor (2009-05-12),

Title: Hirokazu Matsuzaki: Innovator in Rotating Electrical Machines

Introduction

Hirokazu Matsuzaki is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of rotating electrical machines, holding a total of 14 patents. His innovative designs and engineering solutions have advanced the technology in this area.

Latest Patents

Matsuzaki's latest patents include a rotor for a rotating electrical machine and a rotor core support structure for a rotating electrical machine. The rotor design features a rotor shaft with a rotor core that is fixedly supported on its outer circumference. The rotor shaft is designed with a first outer edge portion that projects radially and a second outer edge portion aligned with the first in the circumferential direction. The rotor core includes a core insertion hole for the rotor shaft and a shaft holding portion that secures the first outer edge while maintaining a non-contact state with the second outer edge. Additionally, he has developed a terminal block for rotating electric machines, which includes a main body, a high-current electrical wire connecting section, multiple neutral wire connecting sections, and a bus bar for interconnecting the neutral wires.

Career Highlights

Throughout his career, Matsuzaki has worked with notable companies such as Fujitsu General Limited and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Matsuzaki has collaborated with talented individuals in his field, including Tomonori Kojima and Toshiaki Tanno. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hirokazu Matsuzaki is a distinguished inventor whose work in rotating electrical machines has resulted in numerous patents and advancements in technology. His contributions continue to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.