This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2019-2021.
Location History:
- Sakai, JP (2019 - 2020)
- Osaka, JP (2021)
Company Filing History:
Years Active: 2019-2021
Title: Innovations of Takeshi Hieda
Introduction
Takeshi Hieda is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of photoelectric conversion technology. With a total of 3 patents to his name, Hieda's work focuses on improving the efficiency and effectiveness of solar energy systems.
Latest Patents
Hieda's latest patents include a photoelectric conversion element, a photoelectric conversion module, and a solar photovoltaic power generation system. The photoelectric conversion element is designed to prevent the contact resistance between a non-crystalline semiconductor layer containing impurities and an electrode formed on that layer from increasing. This innovation aims to enhance the overall characteristics of the element. The element comprises a semiconductor substrate, a first semiconductor layer, a second semiconductor layer, a first electrode, and a second electrode. The first semiconductor layer has a first conductive type, while the second semiconductor layer has a second conductive type that is opposite to the first. At least one of the electrodes includes a plurality of metal crystal grains, with the average crystal grain size being greater than the thickness of the electrode.
The photovoltaic element includes a semiconductor substrate and a first i-type semiconductor film on one of the surfaces of the substrate. It also features a first semiconductor region with a first-conductivity-type semiconductor film, a first electrode layer, and a first conductive film interposed between the semiconductor region and the electrode layer.
Career Highlights
Takeshi Hieda is currently associated with Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of solar energy technology. His work has been instrumental in advancing the efficiency of photovoltaic systems.
Collaborations
Hieda has collaborated with notable coworkers such as Kenji Kimoto and Chikao Okamoto, contributing to various projects that enhance solar energy applications.
Conclusion
Takeshi Hieda's contributions to photoelectric conversion technology reflect his commitment to advancing renewable energy solutions. His innovative patents and collaborations position him as a key figure in the field of solar energy.