Location History:
- Amagasaki, JP (1996 - 2000)
- Hyogo, JP (2006)
- Tokyo, JP (2002 - 2018)
Company Filing History:
6 out of 21,351 
3 out of 6,896 
2 out of 15,942 
Years Active: 1996-2018
Title: Hiroyuki Fuchigami: Innovator in Solar Cell Technology
Introduction
Hiroyuki Fuchigami is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of solar cell technology, holding a total of 8 patents. His innovative work focuses on enhancing the efficiency and reliability of solar cells, which are crucial for sustainable energy solutions.
Latest Patents
Fuchigami's latest patents include a solar cell and manufacturing method designed to reduce defects and improve photoelectric conversion efficiency. This solar cell features a silicon substrate, specifically an n-type single-crystal silicon substrate with pyramid-shaped irregularities. An amorphous or microcrystal semiconductor layer is formed on this substrate, with a flat part created in the valley of the pyramid-shaped irregularities. This design allows for a wider angle of concave portions, effectively minimizing defects during the epitaxial growth process.
Another notable patent is for a photoelectric converter that incorporates an intermediate layer between two photoelectric-conversion layers. This intermediate layer consists of n-type and p-type transparent conductive oxide films, which enhance the overall performance of the converter. The precise engineering of these layers ensures optimal carrier concentration, contributing to the efficiency of the photoelectric conversion module.
Career Highlights
Throughout his career, Fuchigami has worked with esteemed companies such as Mitsubishi Electric Corporation and Sumitomo Chemical Company, Limited. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and solar energy solutions.
Collaborations
Fuchigami has collaborated with notable colleagues, including Akira Tsumura and Hiroshi Koezuka. These partnerships have fostered innovation and have been instrumental in advancing solar cell technology.
Conclusion
Hiroyuki Fuchigami's contributions to solar cell technology exemplify his commitment to innovation and sustainability. His patents reflect a deep understanding of semiconductor materials and their applications in renewable energy. His work continues to influence the development of efficient solar energy solutions.