Koji Obata

This inventor holds 26 USPTO granted patents and 10 published patent applications and 3 EPO patents, primarily in Rotating Electric Machines. Top assignees: Hitachi, Ltd., Sony Corporation, Hitachi Automotive Systems, Ltd.. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Obata. Retrieved from https://idiyas.com/inventor/koji-obata

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

USPTO Granted Patents = 26 (Patent Applications = 10)

% Patents Active = 53.8

EPO Patents = 3 (Patent Applications = 6)

Average Co-Inventor Count = 3.3

ph-index = 10

Forward Citations = 405(Granted Patents)

Location History:

Hitachi, JP (2003 - 2015)
Tokyo, JP (2002 - 2021)

Company Filing History:

Hitachi Automotive Systems, Ltd.

Years Active: 2002-2026

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Areas of Expertise:

Rotating Electric Machine

Inverter Drive

Medical Device

Partial Discharge

Electrical Insulation

Power Distribution

Cooling Medium

Data Multiplexer

Picture Signal Processing

Encoding Apparatus

Manufacturing Method

Resin Block

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12539788 - Management device and management method (2026-02-03),

2. 11033176 - Medical system, medical device, and medical method (2021-06-15),

3. 10024896 - Inverter-driven rotary electric machine, phase-to-phase insulation partial discharge inspection method and phase-to-phase insulation partial discharge inspection apparatus (2018-07-17),

4. 9851394 - Partial-discharge measurement method and high-voltage device inspected using same (2017-12-26),

5. 9705372 - Rotating electric machine and method of manufacturing same (2017-07-11),

6. 9097768 - Method for testing an inverter drive rotating electric machine (2015-08-04),

7. 9018970 - Method of testing partial discharge of rotating electrical machine driven by inverter (2015-04-28),

8. 8981699 - Rotating electric machine for electric vehicle, drive control device and insulation diagnosis method (2015-03-17),

9. 8400029 - Rotating electrical machine having a plurality of cooling medium paths (2013-03-19),

10. 7952245 - Power distribution unit for rotary electric machine with linear conductor connecting ring having terminal section with axially extending hole for connecting stator coil, and method for assembling rotary electric machine (2011-05-31),

11. 7940805 - Receiving device, clock synchronizing method, and computer program (2011-05-10),

12. 7936100 - Stator for rotating machine and rotating machine using the same (2011-05-03),

13. 7764042 - Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same (2010-07-27),

14. 7659651 - Rotating electric machine, winding machine, and rotating electric machine system (2010-02-09),

15. 7557483 - Rotating electrical machine and manufacturing method thereof (2009-07-07),

Title: The Innovative Journey of Koji Obata

Introduction: Koji Obata is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Koji Obata holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating cutting-edge technologies.

Career Highlights: With over two decades of experience in the tech industry, Koji Obata has worked with leading research institutions and companies to develop innovative solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Koji Obata has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Koji Obata's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.