Kenjiro Takemura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power transmission technology, holding a total of 5 patents. His innovative work has garnered attention in various industries, particularly through his association with Canon Kabushiki Kaisha.

Latest Patents

Takemura's latest patents include a power transmitting mechanism and method. This mechanism is designed to mechanically couple a driving source and a driven member. It features a first member connected to the driving source and a second member linked to the driven member. A resilient member applies a force to ensure that the first and second members maintain pressure contact at a contact surface. Notably, a vibration is excited in the contact surface of the first member, producing a levitation force based on ultrasonic levitation, which acts upon the second member. The frictional force between the two members is modulated depending on the levitation force, allowing for adjustable power transmission.

Another significant patent is the control apparatus for a vibration type actuator. This apparatus is capable of exciting at least three kinds of vibrations, enabling a desired motion to be executed with high efficiency. The vibration type actuator comprises a rotatable moving member, an elastic member in contact with the moving member, and an electro-mechanical energy conversion element. This element excites multiple vibrations in the elastic member by supplying periodic signals with different phases. The control apparatus includes a rotation axis determining unit, a parameter determining unit, and a control circuit, which work together to optimize the actuator's performance.

Career Highlights

Throughout his career, Takemura has been instrumental in advancing technologies related to power transmission and vibration control. His work at Canon Kabushiki Kaisha has positioned him as a key figure in the development of innovative solutions that enhance efficiency and functionality in various applications.

Collaborations

Takemura has collaborated with notable colleagues, including Takashi Maeno and Nobuyuki Kojima. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Kenjiro Takemura's contributions to power transmission technology and his innovative patents reflect his dedication to advancing engineering solutions. His work continues to influence the industry and inspire future innovations.

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