Itami, Japan

Hideaki Nakahata

This inventor holds 106 USPTO granted patents and 14 published patent applications, plus 2 CIPO patents and 19 EPO patents, primarily in Nitride Semiconductor Technology (CPC class 310313R). Top assignees: Sumitomo Electric Industries, Limited, Toyohashi University of Technology, Koha Co., Ltd.. Active years: 1990-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideaki Nakahata. Retrieved from https://idiyas.com/inventor/hideaki-nakahata

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

USPTO Granted Patents = 106 

% Patents Active = 66.0


 

Average Co-Inventor Count = 4.5

ph-index = 17

Forward Citations = 772(Granted Patents)

Forward Citations (Not Self Cited) = 673(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kyogo, JP (1993)
  • Hyogo, JP (1991 - 2010)
  • Itami, JP (1990 - 2017)
  • Osaka, JP (2017 - 2020)

Company Filing History:


Years Active: 1990-2020

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Areas of Expertise:
Transformer
Photovoltaic Module
Optical Sensor Device
III-Nitride Crystal
Semiconductor Wafer
Epitaxial Wafer
Photodetector
Gallium Nitride
Light Emitting Device
Aluminum Nitride
Hybrid-Type Detection Device
Voltage Conversion
106 patents (USPTO):Explore Patents

Certainly! Here is the article about inventor Hideaki Nakahata:

Title: Innovator Spotlight: Hideaki Nakahata - Revolutionizing Transformers

Introduction:

Hideaki Nakahata, a prolific inventor hailing from Itami, Japan, has made significant contributions to the field of electrical engineering. With an impressive portfolio of 106 patents, Nakahata continues to push the boundaries of innovation in transformer technology.

Latest Patents:

1. Transformer with Alternating Polarity: Nakahata's recent patent introduces a transformer design featuring front and rear stage circuits that alternate the polarity of output relative to input. This innovative approach includes a series unit composed of reactance elements and a switch device for efficient power transmission.

2. Compact Transformer Design: Another patent by Nakahata showcases a transformer with a two-terminal pair circuit consisting of multiple interconnected reactance elements. This design ensures a small size, lightweight construction, and eliminates the need for conventional coil and iron core components.

Career Highlights:

Nakahata's expertise has been honed through his tenure at esteemed organizations such as Sumitomo Electric Industries, Limited, and the National University Corporation Toyohashi University of Technology. His experience in both industry and academia has played a pivotal role in shaping his innovative mindset.

Collaborations:

Throughout his career, Nakahata has collaborated with talented individuals in the field of electrical engineering. Noteworthy coworkers include Akihiro Hachigo and Satoshi Fujii, who have contributed to the realization of Nakahata's groundbreaking transformer designs.

Conclusion:

Hideaki Nakahata stands as a beacon of innovation in the realm of transformer technology. With a diverse range of patents and a history of collaboration with industry experts, Nakahata's contributions continue to drive advancements in the field. His relentless pursuit of excellence solidifies his position as a visionary inventor shaping the future of electrical engineering.

I hope you find this article informative and engaging! If you need more information or assistance, feel free to let me know.

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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