Location History:
- Ibaraki, JP (1985)
- Hitachi, JP (1986 - 1992)
Company Filing History:
6 out of 42,508 
2 out of 1,267 Years Active: 1985-1992
Title: The Innovations of Yoshifumi Homma
Introduction
Yoshifumi Homma is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrophotography and optical scanning technology. With a total of 6 patents to his name, his work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is a drum driving unit for electrophotography printers. This invention includes a drum formed of a non-magnetic cylindrical body with a photosensitive material applied to its outer surface. The design features end brackets attached to the drum's opposite ends and a drum shaft that transmits driving torque. A unique connection structure between the drum and the drum shaft reduces the non-uniformity of the drum's rotation, enhancing the printer's performance.
Another significant patent is an optical scanning apparatus. This device comprises a light source, an image forming optical unit, a deflection unit, and an optical beam detection unit. The optical beam detection unit generates a synchronizing signal and includes a unidirectional converging optical unit. This innovation improves the accuracy of the optical beam's position detection, making the scanning apparatus more efficient and reliable.
Career Highlights
Yoshifumi Homma has worked with prominent companies such as Hitachi, Ltd. and Hitachi Koki Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Throughout his career, Homma has collaborated with talented individuals, including Kimio Tatsuno and Shoichi Ito. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yoshifumi Homma's contributions to the fields of electrophotography and optical scanning have established him as a significant figure in innovation. His patents reflect a commitment to improving technology and enhancing user experience.