Location History:
- Matsuyama, JP (2014 - 2015)
- Osaka, JP (2019)
Company Filing History:
Years Active: 2014-2019
Title: The Innovations of Tadashi Yamaji
Introduction
Tadashi Yamaji is a prominent inventor based in Matsuyama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced composite materials. With a total of 5 patents to his name, Yamaji continues to push the boundaries of innovation in his industry.
Latest Patents
Yamaji's latest patents include a resin-made impact absorption member and a vehicular component. The resin-made impact absorption member features an impact absorption portion that consists of a fiber-reinforced resin material. This material contains reinforcing fibers and a thermoplastic resin, forming a hollow structure with an outer cylindrical portion. The design ensures that the reinforcing fiber has an average length ranging from 1 mm to 100 mm, while the thermoplastic resin exhibits a fracture elongation of 10% or more. Additionally, the fiber-reinforced resin material boasts a compressive elastic modulus of 10 GPa or more and a compressive strength between 150 MPa and 500 MPa. The impact absorption portion is engineered to maintain a maximum ratio of L/t of 40 or less, where L is the distance from the center of gravity to the outer cylindrical portion.
Another notable patent is the vehicle skeleton member, which includes a portion created by joining multiple members made from a composite material of thermoplastic resin and reinforcing fiber. This innovative design incorporates an axis that runs parallel to the front-rear or right-left direction of the vehicle body, achieved through vibration welding.
Career Highlights
Yamaji is currently employed at Teijin Limited, a company known for its commitment to innovation in materials and technology. His work at Teijin has allowed him to explore new frontiers in composite materials, contributing to advancements in various applications.
Collaborations
Throughout his career, Yamaji has collaborated with notable colleagues, including Koji Suzuki and Yutaka Yagi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Tadashi Yamaji's contributions to the field of materials science exemplify the spirit of innovation. His patents reflect a deep understanding of composite materials and their applications in modern technology. As he continues to work at Teijin Limited, his future endeavors are sure to yield further advancements in the industry.