This inventor holds 4 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Shiroki Kinzoku Kogyo Kabushiki Kaisha, Aisin Corporation, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1986-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (1986)
- Fujisawa, JP (1986 - 1988)
Company Filing History:
3 out of 12 
1 out of 673 
1 out of 1,649 
Years Active: 1986-2025
Title: Innovations by Takeshi Tezuka
Introduction
Takeshi Tezuka is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design of reclining angle adjustment devices. With a total of three patents to his name, Tezuka's work showcases his innovative approach to enhancing user comfort in seating arrangements.
Latest Patents
One of his latest patents is a reclining angle adjustment device that features a pawl angularly movably mounted on a lower arm. This device includes an upper arm pivotally mounted by an angularly movable shaft on the lower arm, which has an inner gear. An intermediate gear plate with an outer gear meshes with the inner gear, and a rack engages with the pawl for adjusting the angle of inclination of the upper arm. The device also incorporates a control handle that is rotatably mounted on the lower arm, allowing for fine adjustments of the reclining angle through a planetary gear mechanism. Another patent by Tezuka describes a similar reclining angle adjustment device designed for use with reclining seats, featuring an intermediate gear plate, a first arm with an inner gear, and a release lever for unlocking the intermediate gear plate for rough adjustments.
Career Highlights
Takeshi Tezuka is associated with Shiroki Kinzoku Kogyo Kabushiki Kaisha, where he applies his expertise in mechanical design. His innovative patents reflect his commitment to improving user experience in seating mechanisms. Tezuka's work has garnered attention in the industry, showcasing his ability to blend functionality with user comfort.
Collaborations
Tezuka has collaborated with notable coworkers such as Akira Owada and Naoaki Katsumoto. Their combined efforts contribute to the advancement of technology in their field.
Conclusion
Takeshi Tezuka's contributions to reclining angle adjustment devices highlight his innovative spirit and dedication to enhancing user comfort. His patents serve as a testament to his engineering skills and creativity in the mechanical design industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile