Company Filing History:
Years Active: 1989-1995
Title: Innovations of Toshio Ohji
Introduction
Toshio Ohji is a notable inventor based in Mito, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of rotary transformers and magnetic head apparatuses. With a total of 5 patents to his name, Ohji's work has had a considerable impact on modern technology.
Latest Patents
One of his latest patents is for a rotary transformer. This invention features a composite coil member that is easily assembled and fitted into the transformer core. The design includes a plurality of coaxial conductive coils formed photolithographically on a flexible insulating member. This innovative approach allows for efficient assembly and functionality.
Another significant patent is for a coil assembly used in a rotary magnetic head apparatus. This apparatus comprises a transformer core, including both rotor and stator cores, along with a rotary drum and a stationary drum. Magnetic heads are positioned in the outer peripheral portion of the rotary drum, while signal transmission coils are strategically placed in grooves formed concentrically on the core's surface. This design ensures that the mutual positional relationship of the coils remains unchanged, enhancing the overall performance of the apparatus.
Career Highlights
Toshio Ohji is currently employed at Hitachi, Ltd., where he continues to innovate and develop new technologies. His work at Hitachi has allowed him to collaborate with other talented engineers and researchers in the field.
Collaborations
Ohji has worked alongside notable colleagues such as Juichi Morikawa and Hideo Zama. Their combined expertise has contributed to the advancement of various projects and innovations within the company.
Conclusion
Toshio Ohji's contributions to the field of electrical engineering through his patents and innovations have made a lasting impact. His work continues to influence the development of advanced technologies in the industry.