Company Filing History:
6 out of 1,233 
1 out of 3,562 Years Active: 2017-2025
Title: Yuji Araoka: Innovator in Steel and Titanium Alloy Technologies
Introduction
Yuji Araoka is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the fields of steel and titanium alloy technologies. With a total of six patents to his name, Araoka has developed innovative solutions that enhance the performance and durability of materials used in various applications.
Latest Patents
Among his latest patents is the "Electric resistance-welded steel tube for hollow stabilizer." This invention features a steel tube designed with specific chemical components, a wall thickness ranging from 2.0 to 6.0 mm, and an outer diameter between 10 to 40 mm. The design includes a recessed bead cut in the weld area, ensuring maximum depth and inclusion diameter are kept to 300 μm or less. Another notable patent is for a "Titanium alloy member and production method therefor," which focuses on creating a high-strength titanium alloy with superior fatigue resistance. This method involves nitriding a titanium alloy raw material and sintering it to achieve a processed member with compressive residual stress.
Career Highlights
Yuji Araoka has worked with notable companies such as NHK Spring Co., Ltd. and Nippon Steel Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in material science.
Collaborations
Throughout his career, Araoka has collaborated with esteemed colleagues, including Yoshiki Ono and Tohru Shiraishi. These partnerships have fostered innovation and the exchange of ideas in the field of engineering.
Conclusion
Yuji Araoka's work exemplifies the spirit of innovation in material technology. His patents reflect a commitment to enhancing the performance of steel and titanium alloys, making significant contributions to the industry.