Kawasaki, Japan

Hironobu Kageyama

This inventor holds 11 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Fujitsu Corporation. Active years: 1993-2024.

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

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

Calculating rank
USPTO Granted Patents = 11 

% Patents Active = 81.8

 

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 323(Granted Patents)


Company Filing History:


Years Active: 1993-2024

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11 patents (USPTO):Explore Patents

Title: Hironobu Kageyama: Innovator in Power Supply Technology

Introduction

Hironobu Kageyama is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of power supply technology, holding a total of 11 patents. His work focuses on developing devices that enhance the stability and efficiency of power supply systems.

Latest Patents

Kageyama's latest patents include a "Power supply device with discharge control." This innovative device features a power supply circuit that outputs different voltages to multiple output lines. It incorporates a series of capacitors and diodes to ensure efficient voltage management. Another notable patent is the "Power supply device and electronic apparatus to supply stable voltage to normal device." This invention generates a direct current output voltage and includes a detection circuit to identify anomalies in load voltage, allowing for adjustments based on the number of abnormal loads detected.

Career Highlights

Hironobu Kageyama is currently employed at Fujitsu Corporation, where he continues to push the boundaries of power supply technology. His work has been instrumental in developing solutions that cater to the growing demands for reliable and efficient power systems.

Collaborations

Kageyama has collaborated with notable colleagues such as Tatsuo Araki and Mitsuo Nakamura. Their combined expertise has contributed to the advancement of innovative technologies within the company.

Conclusion

Hironobu Kageyama's contributions to power supply technology are noteworthy, with a focus on creating devices that ensure stable and efficient voltage management. His patents reflect a commitment to innovation and excellence in the field.

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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