Company Filing History:
11 out of 10,239 
5 out of 40 Years Active: 2023-2025
Title: The Innovative Contributions of Kotaro Hirose
Introduction
Kotaro Hirose is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical sensors and thermoelectric materials. With a total of 11 patents to his name, Hirose's work has advanced the understanding and application of thermoelectric conversion technologies.
Latest Patents
Hirose's latest patents include an innovative optical sensor. This optical sensor features a support film with a first main surface and a second main surface, where a thermoelectric-conversion material section is strategically placed. This section consists of multiple strip-shaped first material layers made of SiGe with p-type conductivity, designed to convert thermal energy into electric energy. Additionally, it includes strip-shaped second material layers made of SiGe with n-type conductivity for the same purpose. The design also incorporates a heat sink and a light-absorbing film that creates a temperature difference in the material layers, effectively converting received light into thermal energy.
Another notable patent involves a thermoelectric conversion material. This material comprises a base material of SiGe, along with a first additive element that acts as a dopant and a second additive element, which can include Mg, Ca, or Ti. The specific content ratio of the second additive element is carefully controlled to enhance the material's performance. The distribution of the second additive element and oxygen within the base material shows a positive correlation, indicating a sophisticated understanding of material science.
Career Highlights
Throughout his career, Kotaro Hirose has worked with esteemed organizations such as Sumitomo Electric Industries and the Toyota School Foundation. His experience in these companies has allowed him to refine his skills and contribute to groundbreaking innovations in the field.
Collaborations
Hirose has collaborated with notable colleagues, including Masahiro Adachi and Yoshiyuki Yamamoto. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Kotaro Hirose's contributions to the fields of optical sensors and thermoelectric materials are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology and improving energy conversion methods. His work continues to inspire future innovations in the industry.
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