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For the Inventor, By the Inventor

Hitachiota, Japan

Tunehiro Endo

This inventor holds 10 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1979-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tunehiro Endo. Retrieved from https://idiyas.com/inventor/tunehiro-endo

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

USPTO Granted Patents = 10

% Patents Active = 90.0

Average Co-Inventor Count = 5.3

ph-index = 8

Forward Citations = 228(Granted Patents)


Location History:

  • Hitachi, JP (1979)
  • Hitachioota, JP (1990)
  • Hitachiohta, JP (1993 - 1995)
  • Hitachiota, JP (1988 - 2007)

Company Filing History:

goldMedal10 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1979-2007

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10 patents (USPTO):Explore Patents
1. 7224133 - Control apparatus, dual chip inverter and single chip inverter of AC motors (2007-05-29),
2. 6828752 - Driving equipment and semiconductor equipment for alternating-current motor (2004-12-07),
3. 5463299 - Current controller for controlling a current flowing in a load using a (1995-10-31),
4. 5381584 - Vacuum cleaner (1995-01-17),
5. 5184057 - Control method and device for AC motor (1993-02-02),
6. 4980617 - Speed control apparatus of movable equipment (1990-12-25),
7. 4958406 - Method and apparatus for operating vacuum cleaner (1990-09-25),
8. 4879502 - Speed control apparatus and method for motors (1989-11-07),
9. 4726738 - Motor-driven compressor provided with torque control device (1988-02-23),
10. 4166235 - Magnetron comprising ferromagnetic material members axially magnetized (1979-08-28),

Title: The Innovative Journey of Tunehiro Endo

Introduction: Tunehiro Endo, a distinguished inventor hailing from Hitachiota, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Endo's latest patents showcase his expertise in developing cutting-edge solutions for various industries, including electronics, robotics, and renewable energy.

Career Highlights: With a career spanning over two decades, Endo has established himself as a visionary inventor with a keen eye for identifying gaps in the market and creating inventive solutions to address them. His work has revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Endo has collaborated with leading tech companies, research institutions, and universities to further enhance his inventions and bring them to the market. His collaborative spirit has led to the development of groundbreaking technologies that have shaped the industry.

Conclusion: Tunehiro Endo's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazing inventor in the world of technology. His contributions continue to inspire future generations of inventors to push the boundaries of what is possible.

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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