Kawasaki, Japan

Yoshihiko Imanaka

This inventor holds 33 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Photochemical Electrode Technology. Top assignees: Fujitsu Corporation, National Institute of Advanced Industrial Science and Technology. Active years: 1987-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiko Imanaka. Retrieved from https://idiyas.com/inventor/yoshihiko-imanaka

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

USPTO Granted Patents = 33 

% Patents Active = 63.6


Average Co-Inventor Count = 3.2

ph-index = 9

Forward Citations = 275(Granted Patents)


Location History:

  • Kawasaki, JP (1993 - 2015)
  • Atsugi, JP (1987 - 2023)

Company Filing History:


Years Active: 1987-2023

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Areas of Expertise:
Photochemical Electrode
Oxygen Generation
Thermoelectric Conversion
Semiconductor Device
Capacitor Manufacturing
Thin-Film Circuit
Superconducting Circuit Board
Interconnection Substrate
Aerosol Deposition
Integrated Ceramic Module
Multi-Layer Circuit Board
33 patents (USPTO):Explore Patents

Title: **Yoshihiko Imanaka: A Pioneer in Photoexcitable Materials and Innovative Electrode Technologies**

Introduction

Yoshihiko Imanaka is a notable inventor based in Kawasaki, Japan, recognized for his significant contributions to the fields of photoexcitable materials and electrode technology. With an impressive portfolio of 33 patents, Imanaka has demonstrated his expertise and innovation through several groundbreaking inventions that have wide-ranging applications.

Latest Patents

Among his latest inventions is a method for manufacturing photoexcitable material, which includes a solid solution of Metal N (where M represents at least one of gallium, aluminum, and indium) combined with zinc oxide (ZnO). This innovative material possesses a composition of 30 to 70 mol % ZnO and features a band gap energy of 2.20 eV or lower.

Another notable patent is for an oxygen generating electrode, which consists of a conductive layer, a photocatalyst layer, and a light-absorbing layer positioned between the conductive and photocatalyst layers. This light-absorbing layer is crafted from one or multiple perovskite-type films that incorporate tin (Sn), oxygen (O), sulfur (S), and select elements from Group 1 or Group 2 of the periodic table. The films are expertly doped with sulfur to substitute for oxygen sites, thereby enabling the band gap to vary between 0 eV and 4 eV.

Career Highlights

Throughout his career, Yoshihiko Imanaka has held positions at prestigious organizations, notably Fujitsu Corporation and the National Institute of Advanced Industrial Science and Technology. His work in these companies has facilitated the advancement of technologies focusing on energy conversion and materials science.

Collaborations

Imanaka has collaborated with esteemed colleagues such as Hideyuki Amada and Nobuo Kamehara. These partnerships have proven fruitful in advancing research initiatives and enhancing the collective understanding of innovative material applications.

Conclusion

Yoshihiko Imanaka stands out as a significant figure in the domain of materials and electrode technology. His 33 patents reflect not only his inventive spirit but also his commitment to pushing the boundaries of scientific exploration and innovation. Through his continued work and collaborations, he is set to impact future developments in photoexcitable materials and energy generation technologies.

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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