Company Filing History:
Years Active: 1991-1993
Title: Hisao Oh-ishi: Innovator in Electrophotographic Technology
Introduction
Hisao Oh-ishi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrophotography, holding a total of 4 patents. His work has advanced the technology used in imaging and printing processes.
Latest Patents
One of Hisao Oh-ishi's latest patents is the "Electrophotographic plate-making apparatus." This invention involves a light beam applied to a photoconductive sensitive material to form an image and a register mark. The image and register mark are then transferred onto an intermediate transfer material, ensuring high positional accuracy during the transfer process. Another significant patent is the "Liquid electrophotographic method and an apparatus therefor." This method allows for the simultaneous transfer of multiple color toner images onto a transfer material while efficiently utilizing the drying time of the photoconductive drum.
Career Highlights
Hisao Oh-ishi is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in the field of electrophotography. His work has been instrumental in developing compact and efficient imaging systems that enhance the quality and accuracy of printed materials.
Collaborations
Throughout his career, Hisao Oh-ishi has collaborated with notable colleagues such as Akira Yoda and Yoshimitsu Sato. These collaborations have contributed to the advancement of technology in their field.
Conclusion
Hisao Oh-ishi's contributions to electrophotographic technology demonstrate his innovative spirit and commitment to improving imaging processes. His patents reflect a deep understanding of the complexities involved in this field, making him a significant figure in the industry.