This inventor holds 4 USPTO granted patents. Top assignee: Kyocera Corporation. Active years: 2006-2011.
Location History:
- Yokaichi, JP (2006 - 2009)
- Shiga, JP (2010)
- Higashiomi, JP (2011)
Company Filing History:
Years Active: 2006-2011
Title: Innovations of Hideki Hakuma
Introduction
Hideki Hakuma is a prominent inventor based in Yokaichi, Japan. He has made significant contributions to the field of photovoltaic technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and stability of solar energy conversion devices.
Latest Patents
One of Hakuma's latest patents is for a multi-junction type solar cell device. This invention addresses the contact between a p-type semiconductor and an electrode by introducing an n-type semiconductor of a conductivity type opposite to that of the p-type semiconductor. The presence of the n-type semiconductor effectively reduces the recombination rate of photo-generated carriers excited by incident light, thereby preventing the production of dark current components. This innovation leads to improved photoelectric conversion efficiency and stabilized characteristics.
Another notable patent involves a photovoltaic conversion device and an optical power generator. This invention aims to provide an easy-to-manufacture, high-quality photovoltaic conversion device along with a manufacturing method that boasts high production efficiency. The manufacturing process includes specific steps designed to enhance the overall quality and effectiveness of the photovoltaic conversion device.
Career Highlights
Hakuma is currently associated with Kyocera Corporation, a leading company in the field of solar energy solutions. His work at Kyocera has been instrumental in advancing solar technology and improving energy conversion methods.
Collaborations
Throughout his career, Hakuma has collaborated with notable colleagues such as Koichiro Niira and Hirofumi Senta. These collaborations have contributed to the development of innovative technologies in the photovoltaic sector.
Conclusion
Hideki Hakuma's contributions to solar technology through his patents and work at Kyocera Corporation highlight his role as a key innovator in the field. His inventions continue to pave the way for advancements in renewable energy solutions.