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For the Inventor, By the Inventor

Fukushima, Japan

Youichi Kageyama

This inventor holds 13 USPTO granted patents and 2 published patent applications and 6 EPO patents. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Honda Motor Co., Ltd.. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichi Kageyama. Retrieved from https://idiyas.com/inventor/youichi-kageyama

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

USPTO Granted Patents = 13 

% Patents Active = 100.0

 

Average Co-Inventor Count = 5.3

ph-index = 3

Forward Citations = 12(Granted Patents)


Location History:

  • Mie, JP (2015)
  • Fukushima, JP (2020 - 2021)
  • Osaka, JP (2022 - 2024)

Company Filing History:

goldMedal13 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
silverMedal1 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2015-2025

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13 patents (USPTO):Explore Patents
1. 12463262 - Energy storage system (2025-11-04),
2. 11962183 - Backup power system (2024-04-16),
3. 11881740 - Backup power supply system for shift-by-wire system and non-transitory storage medium (2024-01-23),
4. 11658558 - Zeta converter generating control power from an internal node (2023-05-23),
5. 11515088 - Onboard power source device (2022-11-29),
6. 11192464 - Vehicle-mounted power source device (2021-12-07),
7. 11084439 - Vehicle-mounted power supply apparatus (2021-08-10),
8. 11059439 - In-vehicle power supply device (2021-07-13),
9. 11059371 - On-vehicle power supply device and vehicle having on-vehicle power supply device mounted thereon (2021-07-13),
10. 11053714 - Door latch power supply device, door latch power supply system, and vehicle using same (2021-07-06),
11. 11046264 - Vehicle-mounted emergency power supply device (2021-06-29),
12. 10780851 - Power source device and vehicle equipped with power source device (2020-09-22),
13. 9013056 - Backup power source device and automobile equipped with same (2015-04-21),

Title: The Innovative Contributions of Youichi Kageyama

Introduction

Youichi Kageyama is a notable inventor based in Fukushima, Japan, recognized for his significant contributions to energy storage systems. With a total of 13 patents to his name, Kageyama has made strides in developing technologies that enhance power management and efficiency.

Latest Patents

Kageyama's latest patents include an energy storage system and a backup power system. The energy storage system features a storage unit with multiple capacitor elements connected in series, along with resistors and switch elements. This innovative design allows for efficient management of charging currents and voltage differences. The backup power system incorporates a battery, charging circuit, and a controller that regulates the input current to ensure reliable power delivery to various loads.

Career Highlights

Throughout his career, Kageyama has worked with prominent companies such as Panasonic Intellectual Property Management Co., Ltd. and Honda Motor Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced energy solutions.

Collaborations

Kageyama has collaborated with notable coworkers, including Katsunori Atago and Hisao Hiragi, further enhancing his innovative capabilities through teamwork and shared knowledge.

Conclusion

Youichi Kageyama's work in energy storage and backup power systems showcases his commitment to innovation and technological advancement. His contributions continue to impact the field positively, demonstrating the importance of inventive minds in shaping the future of energy management.

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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