Company Filing History:
Years Active: 1994-2000
Title: The Innovations of Inventor Takahisa Kase in Thin-Film Solar Technology
Introduction
Takahisa Kase is a distinguished inventor based in Tokyo, Japan, known for his innovative contributions to the field of thin-film solar cell technology. With a total of five patents to his name, Kase has made significant strides in developing production methods that enhance the efficiency and effectiveness of solar energy capture.
Latest Patents
Among his latest patents, Kase has introduced groundbreaking equipment for producing thin-film solar cells. His inventions include a method for forming a thin-film light absorbing layer that allows for regulation of gallium concentration, which helps achieve a high open-circuit voltage, all while utilizing a simple method at temperatures lower than the softening point of soda-lime float glass. Specifically, the process involves forming a back electrode on a soda-lime float glass substrate, followed by depositing a stacked precursor film that includes a copper-gallium alloy layer and an indium layer through sputtering. This precursor film is subsequently heated in an atmosphere of selenium and/or sulfur to complete the formation of the light absorbing layer.
Career Highlights
Kase has also made notable contributions while working with companies like Showa Shell Sekiyu K.K. and Showa Shell Sekiku K.K. His work in these organizations has been instrumental in pushing forward innovations in energy solutions, particularly in solar technology.
Collaborations
Throughout his career, Takahisa Kase has collaborated with esteemed colleagues such as Katsumi Kushiya and Muneyori Tachiyuki. These partnerships have further enriched his research and development efforts, fostering a collaborative environment that emphasizes innovation and technical advancement.
Conclusion
Takahisa Kase's contributions to thin-film solar cell technology exemplify the power of innovation in driving sustainable energy solutions. With his extensive patent portfolio and collaborative spirit, he continues to pave the way for advancements in the renewable energy sector, marking him as an influential figure in the field.