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For the Inventor, By the Inventor

Saitama, Japan

Hisao Hiragi

This inventor holds 11 USPTO granted patents and 3 EPO patents. Top assignee: Panasonic Intellectual Property Management Co., Ltd.. Active years: 2019-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Hiragi. Retrieved from https://idiyas.com/inventor/hisao-hiragi

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

USPTO Granted Patents = 11

% Patents Active = 100.0

 

Average Co-Inventor Count = 5.4

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Saitama, JP (2019 - 2021)
  • Osaka, JP (2023 - 2024)

Company Filing History:

goldMedal11 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents

Years Active: 2019-2025

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11 patents (USPTO):Explore Patents
1. 12463262 - Energy storage system (2025-11-04),
2. 11962183 - Backup power system (2024-04-16),
3. 11658558 - Zeta converter generating control power from an internal node (2023-05-23),
4. 11192464 - Vehicle-mounted power source device (2021-12-07),
5. 11084439 - Vehicle-mounted power supply apparatus (2021-08-10),
6. 11059439 - In-vehicle power supply device (2021-07-13),
7. 11059371 - On-vehicle power supply device and vehicle having on-vehicle power supply device mounted thereon (2021-07-13),
8. 11053714 - Door latch power supply device, door latch power supply system, and vehicle using same (2021-07-06),
9. 11046264 - Vehicle-mounted emergency power supply device (2021-06-29),
10. 10780851 - Power source device and vehicle equipped with power source device (2020-09-22),
11. 10480222 - Door latching device and moving body mounted with same (2019-11-19),

Title: Hisao Hiragi: Innovator in Energy Storage Solutions

Introduction

Hisao Hiragi is a prominent inventor based in Saitama, Japan, known for his contributions to energy storage technologies. With a total of 11 patents to his name, Hiragi has made significant advancements in the field, particularly in the development of innovative power storage systems.

Latest Patents

Hiragi's latest patents include an energy storage system that features a storage unit, a charging circuit, and a controller. This system is designed to optimize the charging process of capacitor elements, ensuring efficient energy management. Another notable patent is a backup power system that integrates a battery, charging circuit, and multiple loads, allowing for controlled power distribution based on demand.

Career Highlights

Hiragi is currently associated with Panasonic Intellectual Property Management Co., Ltd., where he continues to push the boundaries of energy storage technology. His work has been instrumental in enhancing the efficiency and reliability of power systems, making a lasting impact on the industry.

Collaborations

Throughout his career, Hiragi has collaborated with talented individuals such as Youichi Kageyama and Katsunori Atago. These partnerships have fostered innovation and have contributed to the successful development of his patented technologies.

Conclusion

Hisao Hiragi's innovative spirit and dedication to advancing energy storage solutions have established him as a key figure in the field. His contributions continue to shape the future of power management technologies.

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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