This inventor holds 3 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2011-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fujiidera, JP (2011)
- Osaka, JP (2012 - 2013)
Company Filing History:
Years Active: 2011-2013
Title: Yasuaki Ishikawa: Innovator in Photoelectric Conversion Technology
Introduction
Yasuaki Ishikawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of photoelectric conversion devices, holding a total of 3 patents. His innovative approaches have paved the way for advancements in solar technology.
Latest Patents
Ishikawa's latest patents include a method for manufacturing a photoelectric conversion device. This method involves forming a semiconductor film using a plasma CVD method. The semiconductor film can be an amorphous film of SiGe-based compound or a microcrystalline film of SiGe-based compound. The plasma CVD technique allows for control over the bandgap in the thickness direction of the semiconductor film by varying the ON or OFF time of the electric power applied to generate plasma. The ON time and OFF time of the power are maintained within a duty ratio of 10% to 50%.
Another notable patent is for a stacked photoelectric conversion device designed to inhibit extreme decreases in output during morning and evening hours. This device consists of three photoelectric conversion layers, each with a p-i-n junction and formed from silicon-based semiconductors. The first layer's short-circuit photocurrent is greater than that of the second and third layers under specific testing conditions.
Career Highlights
Yasuaki Ishikawa is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of photoelectric technology. His work has been instrumental in enhancing the efficiency and reliability of solar energy systems.
Collaborations
Ishikawa collaborates with notable colleagues, including Yoshiyuki Nasuno and Shinya Honda. Their combined expertise contributes to the advancement of technology in their field.
Conclusion
Yasuaki Ishikawa's contributions to photoelectric conversion technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of semiconductor technology and its applications in renewable energy.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile