Tokyo, Japan

Hirotsugu Wada

This inventor holds 13 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Kabushiki Kaisha Toshiba, Tokyo Shibaura Denki Kabushiki Kaisha, Sony Corporation. Active years: 1981-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotsugu Wada. Retrieved from https://idiyas.com/inventor/hirotsugu-wada

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 = 84.6

 

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 124(Granted Patents)


Location History:

  • Machida, JP (1981 - 1985)
  • Tokyo, JP (1985 - 1994)
  • Tokyo-to, JP (1998)
  • Kanagawa, JP (2013 - 2016)

Company Filing History:


Years Active: 1981-2016

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13 patents (USPTO):Explore Patents

Title: Hirotsugu Wada: Innovator in Electrical Power Transmission

Introduction

Hirotsugu Wada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical power transmission, holding a total of 13 patents. His innovative work focuses on noncontact power systems and resonance technology, which have the potential to revolutionize how electrical power is transmitted and utilized.

Latest Patents

Wada's latest patents include an electrical power transmission system and an electrical power output device. This power transmission system features a first resonant element with a resonant frequency, a signal generator that produces an electrical power signal matching this frequency, and a driven element that supplies the signal to the first resonator through magnetic field resonance coupling. Additionally, a second resonator can be positioned to receive power from the first resonator, facilitated by a magnetic coupling circuit that transfers the electrical power signal between them.

Another notable patent is for a noncontact power feed system, which comprises a noncontact power feed apparatus that utilizes a power feed resonance device to supply alternating current power to electronic devices without physical contact. This system also includes a noncontact relay apparatus and at least one noncontact power reception apparatus, all designed to enhance the efficiency and convenience of power transmission.

Career Highlights

Throughout his career, Hirotsugu Wada has worked with notable companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electrical engineering.

Collaborations

Wada has collaborated with esteemed colleagues, including Mamoru Nakasuji and Mineo Gotou. Their combined expertise has contributed to the advancement of technologies in the field of electrical power transmission.

Conclusion

Hirotsugu Wada's contributions to electrical power transmission through his innovative patents and collaborations highlight his role as a leading inventor in this field. His work continues to pave the way for advancements in noncontact power systems and resonance technology.

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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