Osaka, Japan

Hiroshi Ema

This inventor holds 4 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignee: Hosiden Corporation. Active years: 2017-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Ema. Retrieved from https://idiyas.com/inventor/hiroshi-ema

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Yao, JP (2017)
  • Osaka, JP (2017 - 2020)

Company Filing History:


Years Active: 2017-2020

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4 patents (USPTO):Explore Patents

Title: Hiroshi Ema: Innovator in Contactless Power Transfer Technology

Introduction

Hiroshi Ema is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of contactless power transfer technology. With a total of 4 patents to his name, Ema continues to push the boundaries of innovation in this area.

Latest Patents

One of Ema's latest patents is a contactless power transfer apparatus. This apparatus includes an E-class amplifier with a coil designed to store energy for contactless power transfer. It also features a field-effect transistor that controls the current flowing through the coil. An arrester is included between the drain and source terminals of the transistor, which operates in response to a voltage lower than the absolute maximum rated voltage. Another notable patent is the secondary coil module, which receives electric power through a primary coil using contactless power transfer techniques. This module consists of a core made of magnetic material, a storage battery for charging, and a coil winding positioned outside the core.

Career Highlights

Hiroshi Ema is currently employed at Hosiden Corporation, where he continues to develop innovative technologies. His work has garnered attention for its practical applications in various industries.

Collaborations

Ema collaborates with talented individuals such as Eiji Sato and Fumio Ohta. Their combined expertise contributes to the advancement of their projects and innovations.

Conclusion

Hiroshi Ema is a key figure in the realm of contactless power transfer technology. His patents reflect his commitment to innovation and his ability to create practical solutions. Ema's work continues to inspire future advancements 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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