Location History:
- Ibaragi, JP (2000 - 2001)
- Tsukuba, JP (2008)
Company Filing History:
2 out of 1,256 
1 out of 550 
Years Active: 2000-2008
Title: Akihiko Ohta: Innovator in Welding Materials
Introduction
Akihiko Ohta is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of welding materials, holding a total of 3 patents. His work focuses on developing advanced materials and methods for producing welded joints.
Latest Patents
One of his latest patents involves a welding material and a method of producing a welded joint. This invention utilizes an iron-based alloy that contains by mass %: 0.20% or less of carbon; 6.0 to 16.0% of chromium; and 6.0 to 16.0% of nickel. The martensitic transformation starting temperature (Ms point temperature) of this alloy is in the range of 0-170°C, inclusive of 0°C and exclusive of 170°C. The weld metal composition also features an iron alloy with specific percentages of carbon, chromium, and nickel, ensuring optimal performance in welding applications.
Career Highlights
Throughout his career, Akihiko Ohta has worked with prominent organizations such as Kawasaki Steel Corporation and the National Institute for Materials Science. His experience in these institutions has allowed him to refine his expertise in materials science and welding technology.
Collaborations
He has collaborated with notable colleagues, including Chiaki Shiga and Osamu Watanabe, contributing to various projects and advancements in the field.
Conclusion
Akihiko Ohta's innovative work in welding materials has made a significant impact on the industry. His patents reflect a commitment to enhancing the quality and efficiency of welded joints. His contributions continue to influence the field of materials science and engineering.