Company Filing History:
2 out of 95 
2 out of 2 Years Active: 1997
Title: Fumihiko Tsuji: Innovator in Electromagnetic Actuators
Introduction
Fumihiko Tsuji is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electromagnetic actuators, holding a total of 2 patents. His innovative designs focus on improving efficiency and functionality in electronic devices.
Latest Patents
Tsuji's latest patents include an electromagnetic rotary actuator and a housing for electronic devices. The electromagnetic rotary actuator features a ring rotor that is free to rotate within a housing. This design incorporates a plurality of magnets with alternating N and S poles on the inner circumference of the rotor. A stator, fixed to the housing, contains multiple coils that can be energized via a switch. This mechanism allows the rotor to rotate and be held in a predetermined position, conserving power and preventing coil burnout.
The second patent, which focuses on the housing for electronic devices, also utilizes a ring rotor with two magnets of different polarities. This rotor is supported on a base and interacts with two stator coils. The design eliminates the need for brushes, allowing for a more efficient operation. Additionally, the housing includes grooves and througholes that guide leads from the outside to the inside, ensuring that external forces do not affect the wiring connections.
Career Highlights
Throughout his career, Tsuji has worked with prominent companies such as Kayaba Kogyo and Toukai Denshi Kogyo. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Tsuji has collaborated with notable coworkers, including Yasuhiko Hara and Katsuhito Miyoshi. Their combined efforts have led to advancements in the field of electromagnetic devices.
Conclusion
Fumihiko Tsuji's contributions to the field of electromagnetic actuators demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing the efficiency and functionality of electronic devices.