Location History:
- Tokyo, JP (1991 - 2018)
- Hachioji, JP (2013 - 2018)
Company Filing History:
6 out of 713 
3 out of 4,250 
1 out of 35,774 
Years Active: 1991-2018
Title: Hiroaki Itoh: Innovator in Organic Photoelectric Conversion Technologies
Introduction
Hiroaki Itoh is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of organic photoelectric conversion technologies. With a total of 11 patents to his name, Itoh has made remarkable advancements that enhance the efficiency and durability of solar cells.
Latest Patents
Among his latest patents, Itoh has developed an organic photoelectric conversion element and a solar cell utilizing a transparent conductive film. This innovative film boasts a simple manufacturing process while providing high transparency, excellent photoelectric conversion efficiency, and remarkable durability. The transparent conductive film is created by layering a ground layer containing a nitrogen-containing organic compound and a metal thin film layer made from a Group 11 metal element, with a thickness ranging from 2 to 10 nm. Additionally, the organic photoelectric conversion element features a first electrode, a second electrode, and a photoelectric conversion layer situated between them, with at least one electrode being the aforementioned transparent conductive film.
Another notable patent involves a solar cell that includes a pair of electrodes and a photoelectric conversion layer with a chalcopyrite structure sandwiched between them. One of the electrodes serves as a transparent electrode and incorporates a nitrogen-containing layer made from an organic compound containing nitrogen, along with an electrode layer of a Group 11 metal, which enhances the photoelectric conversion efficiency.
Career Highlights
Hiroaki Itoh has worked with notable companies such as Konica Minolta Holdings, Inc. and Konica Minolta, Inc. His experience in these organizations has contributed to his expertise in developing advanced technologies in the field of photoelectric conversion.
Collaborations
Itoh has collaborated with esteemed colleagues, including Yasushi Okubo and Ayako Wachi, further enriching his innovative endeavors.
Conclusion
Hiroaki Itoh's work in organic photoelectric conversion technologies exemplifies his commitment to advancing solar energy solutions. His patents reflect a deep understanding of materials and processes that enhance the efficiency and durability of solar cells.