Hirofumi Senta

Hirofumi Senta is a prominent inventor based in Yokaichi, Japan. He has made significant contributions to the field of photoelectric conversion technology, holding a total of 4 patents. His work focuses on improving the efficiency and stability of solar cell devices.

Latest Patents

One of his latest patents is a "Method for manufacturing photoelectric converter." This method involves forming a first buffer layer comprising a metal sulfide on a light-absorbing layer made of a Group I-III-VI compound or a Group I-II-IV-VI compound. The process includes contacting the surface of the first buffer layer with a first solution that contains an alkali metal compound.

Another notable patent is for a "Multi-junction type solar cell device." In this invention, a p-type semiconductor is in contact with an electrode, and an n-type semiconductor of a conductivity type opposite to that of the p-type semiconductor is introduced between them. This configuration effectively reduces the recombination rate of photo-generated carriers excited by incident light, thereby improving photoelectric conversion efficiency and stabilizing characteristics.

Career Highlights

Hirofumi Senta is currently employed at Kyocera Corporation, where he continues to innovate in the field of solar technology. His work has been instrumental in advancing the capabilities of photoelectric devices, contributing to the growing demand for renewable energy solutions.

Collaborations

He has collaborated with notable coworkers, including Koichiro Niira and Hideki Hakuma, who have also contributed to advancements in the field of photoelectric conversion.

Conclusion

Hirofumi Senta's innovative work in photoelectric conversion technology has positioned him as a key figure in the renewable energy sector. His patents reflect a commitment to enhancing the efficiency and stability of solar energy solutions.