Location History:
- Saitama, JP (2002)
- Kanagawa, JP (2005)
Company Filing History:
Years Active: 2002-2005
Title: The Innovative Contributions of Isamu Ohshima
Introduction
Isamu Ohshima is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design and functionality of circuit breakers. With a total of two patents to his name, Ohshima's work reflects a commitment to innovation and efficiency in electrical systems.
Latest Patents
Ohshima's latest patents include advanced designs for circuit breakers. The first patent describes a circuit breaker that features a rectangular box-shaped intermediate housing and a lower housing. This design incorporates a power supply side fixed contact and a load side fixed contact that face each other within the intermediate housing. A movable contact is housed in the lower housing, bridging the two fixed contacts. The lower housing is equipped with arc gas emission holes and is designed to cover the lower part of the intermediate housing, enhancing safety and functionality. The second patent presents a more compact circuit breaker design, which includes main circuit contact shoes urged by a contact spring and a sophisticated opening and closing mechanism. This design reduces the space occupied by the contact mechanism, making the circuit breaker more efficient and user-friendly.
Career Highlights
Isamu Ohshima has dedicated his career to advancing electrical engineering through innovative designs. His work at Fuji Electric Co., Ltd. has positioned him as a key player in the development of circuit protection devices. His patents demonstrate a deep understanding of electrical systems and a commitment to improving their safety and efficiency.
Collaborations
Ohshima has collaborated with notable colleagues such as Hisao Kawata and Yoshimi Jumonji. These partnerships have likely contributed to the successful development of his innovative circuit breaker designs.
Conclusion
Isamu Ohshima's contributions to the field of electrical engineering, particularly through his innovative circuit breaker designs, highlight his role as a significant inventor. His work continues to influence the industry, ensuring safer and more efficient electrical systems.