Location History:
- Tokyo Matsugaya, JP (2017)
- Tokyo, JP (1993 - 2019)
Company Filing History:
11 out of 16 
11 out of 16 
11 out of 16 Years Active: 1993-2019
Title: Innovations of Kokichi Terajima in Lens Driving Technology
Introduction
Kokichi Terajima, an innovative inventor based in Tokyo, Japan, has made significant contributions to the field of lens driving technology. With a remarkable portfolio of 23 patents, Terajima's inventions focus on enhancing the efficiency and functionality of lens driving devices.
Latest Patents
Among his latest patents, Terajima has developed a lens driving device aimed at reducing power consumption by improving the driving efficiency of an electromagnetic drive mechanism. This innovative device comprises one or more drive coils with designated forward path and return path sides, complemented by drive magnets featuring forward and return path side magnet plates. The unique configuration of these magnet plates allows for an increased magnetic induction intensity, resulting in the effective generation of a powerful Lorentz force once electrified.
Additionally, Terajima has patented a lens driving device equipped with a shaking correction function. This invention stands out as it eliminates the need for magnets for position detection while maintaining driving force during swinging movements. The construction involves a square frame-shaped magnet support, with trapezoidal-shaped magnets strategically placed at the corners. This design integrates X-axis and Y-axis magnetic force detection mechanisms, ensuring accurate sensitivity without compromising performance.
Career Highlights
Throughout his career, Kokichi Terajima has collaborated with notable companies in the electronics industry. He has worked with Huizhou Dayawan Ever Bright Electronic Industry Co. and Jss Optical Technology Co., Ltd., where he further honed his skills in developing advanced lens technologies. His inventive spirit and technical expertise have significantly influenced the direction of optical device innovations.
Collaborations
In his professional journey, Terajima has closely collaborated with key figures in the industry, including his coworker Shinichi Aotsu. Their combined efforts have been instrumental in advancing the research and development of lens driving solutions, contributing to the ongoing evolution of optical technology.
Conclusion
Kokichi Terajima's innovative contributions to lens driving technology demonstrate his commitment to enhancing performance and efficiency in electronic devices. With an impressive array of patents under his name, Terajima continues to inspire and shape the future of lens technology through his creative solutions and collaborative work in the field.