Location History:
- Yokohama, JP (2013 - 2016)
- Kanagawa, JP (2016)
Company Filing History:
6 out of 1,233 
1 out of 1,886 
1 out of 7 Years Active: 2013-2016
Title: Takashi Yajima: Innovator in High-Strength Spring Technology
Introduction
Takashi Yajima is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of engineering, particularly in the development of high-strength materials and innovative work hanging systems. With a total of 6 patents to his name, Yajima's work reflects a commitment to advancing technology in practical applications.
Latest Patents
One of Yajima's latest patents is for a hollow seamless pipe designed for high-strength springs. This invention features a steel material with carefully adjusted chemical compositions. The design includes a decarburized layer depth of 100 µm or less and a flaw depth of 40 µm or less. Additionally, the patent specifies that the number density of carbides with a circle equivalent diameter of 500 nm or more in the inner surface layer part is limited to 1.8×10 particles/µm or less. Another notable patent is a work hanging apparatus that utilizes a robot to transfer workpieces to a designated hanging location. This system includes various detectors to correct any positional or attitudinal deviations, ensuring precise handling of the work.
Career Highlights
Throughout his career, Takashi Yajima has worked with notable companies such as NHK Spring Co., Ltd. and Kobe Steel, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in engineering and manufacturing processes.
Collaborations
Yajima has collaborated with several talented individuals in his field, including Akira Katsuyama and Kotaro Nukui. These partnerships have fostered innovation and have led to the successful development of various technologies.
Conclusion
In summary, Takashi Yajima is a distinguished inventor whose work in high-strength materials and innovative systems has made a lasting impact on the engineering industry. His patents and collaborations reflect a dedication to advancing technology and improving practical applications in manufacturing.