Company Filing History:
3 out of 6,656 
2 out of 832,812 Years Active: 1989-1993
Title: Kazumasa Ohkawa: Innovator in Electrophotographic Technology
Introduction
Kazumasa Ohkawa is a notable inventor based in Yohkaichi, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 3 patents. His work focuses on improving the performance and characteristics of electrophotographic sensitive members.
Latest Patents
Ohkawa's latest patents include innovations aimed at enhancing the functionality of electrophotographic sensitive members. One of his notable inventions is a layer electrophotographic sensitive member comprising amorphous silicon. This invention addresses the challenges of achieving a high initial electric potential and reducing dark decay characteristics. Another significant patent is related to a divided function type electrophotographic sensitive member formed of amorphous silicon and amorphous silicon carbide. This invention aims to widen the optical band gap range, thereby heightening optical sensitivity and improving the overall performance of sensitive members used in high-speed copying machines and laser beam printers.
Career Highlights
Throughout his career, Kazumasa Ohkawa has worked with prominent companies, including Kyocera Corporation. His expertise in electrophotographic technology has led to advancements that are crucial for the development of high-performance imaging devices.
Collaborations
Ohkawa has collaborated with notable individuals in his field, including Takao Kawamura and Naooki Miyamoto. These collaborations have contributed to the innovative solutions he has developed in electrophotographic technology.
Conclusion
Kazumasa Ohkawa's contributions to electrophotographic technology demonstrate his commitment to innovation and improvement in this field. His patents reflect a deep understanding of the challenges faced in high-speed imaging and provide solutions that enhance performance and efficiency.