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For the Inventor, By the Inventor

Tokyo, Japan

Kazutami Tago

This inventor holds 15 USPTO granted patents and 3 published patent applications. Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Astemo Ltd.. Active years: 1999-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutami Tago. Retrieved from https://idiyas.com/inventor/kazutami-tago

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

USPTO Granted Patents = 15 

% Patents Active = 86.7

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 87(Granted Patents)


Location History:

  • Ibaraki, JP (2007)
  • Hitachinaka, JP (1999 - 2017)
  • Tokyo, JP (2004 - 2022)

Company Filing History:

goldMedal6 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal4 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal3 out of 1,487 
 
Hitachi Astemo Ltd.
 patents
4. 2 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
5. 1 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1999-2024

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15 patents (USPTO):Explore Patents
1. 12107470 - Rotary electric machine and in-vehicle motor system (2024-10-01),
2. 11394257 - Rotor core, rotor of rotary electrical machine, rotary electrical machine, and automotive auxiliary electrical system (2022-07-19),
3. 11381124 - Rotor core, rotor of rotary electrical machine, rotary electrical machine, and automotive auxiliary electrical system (2022-07-05),
4. 10318679 - Calculation method of switching waveform of the inverter and circuit simulation model (2019-06-11),
5. 9640366 - Electron beam irradiation method and scanning electron microscope (2017-05-02),
6. 7737023 - Method of manufacture of semiconductor integrated circuit device and semiconductor integrated circuit device (2010-06-15),
7. 7442651 - Plasma etching method (2008-10-28),
8. 7419902 - Method of manufacture of semiconductor integrated circuit (2008-09-02),
9. RE39895 - Semiconductor integrated circuit arrangement fabrication method (2007-10-22),
10. 6787446 - Fabrication method of semiconductor integrated circuit device (2004-09-07),
11. 6309980 - Semiconductor integrated circuit arrangement fabrication method (2001-10-30),
12. 6074958 - Semiconductor integrated circuit arrangement fabrication method (2000-06-13),
13. 5962347 - Semiconductor integrated circuit arrangement fabrication method (1999-10-05),
14. 5895586 - Plasma processing apparatus and plasma processing method in which a part (1999-04-20),
15. 5874013 - Semiconductor integrated circuit arrangement fabrication method (1999-02-23),

Title: Kazutami Tago: Innovator in Rotary Electric Machines

Introduction

Kazutami Tago is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of rotary electric machines, holding a total of 15 patents. His innovative designs have advanced the technology used in various automotive applications.

Latest Patents

Among his latest patents is a rotary electric machine that features a stator with a coil and a rotor positioned within the stator's inner peripheral side. This design includes a rotor core made from soft magnetic metal, which houses a magnet within a magnet insertion hole. The invention also incorporates a first magnet stopper and a unique configuration of space portions that enhance the machine's efficiency. Another notable patent focuses on reducing cogging torque in rotary electric machines, utilizing a rotor core with multiple magnetic poles designed to optimize performance.

Career Highlights

Kazutami Tago has worked with leading companies in the technology sector, including Hitachi, Ltd. and Renesas Technology Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in electric machinery.

Collaborations

Throughout his career, Tago has collaborated with notable colleagues such as Takafumi Tokunaga and Hideyuki Kazumi. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the field.

Conclusion

Kazutami Tago's work in rotary electric machines exemplifies the spirit of innovation and dedication to technological advancement. His contributions continue to influence the automotive industry and inspire future inventors.

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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