Company Filing History:
4 out of 25 
1 out of 6,896 Years Active: 2012-2023
Title: **Karin Shibata: Innovator in Aluminum Alloy Technology**
Introduction
Karin Shibata, based in Oyabe, Japan, is a notable inventor recognized for her contributions to aluminum alloy technology. With four patents to her name, she has made significant strides in the field, particularly focusing on the production of high-strength aluminum alloys.
Latest Patents
Shibata's latest patents include innovative methods for producing aluminum alloy extruded materials. One of her patents describes a method for producing an aluminum alloy extruded material, which involves subjecting a casted billet from a specific aluminum alloy composition to extrusion processing. This alloy includes 6.0 to 8.0% by mass of Zn, 1.50 to 3.50% by mass of Mg, and other elements in precise amounts. The resultant extruded material is cooled immediately after processing and then subjected to heat treatment, resulting in high strength and excellent corrosion resistance.
Another significant patent highlights an aluminum alloy extruded material that maintains high strength through air cooling after extrusion and features impressive resistance to stress corrosion cracking. This patent outlines a similar composition, ensuring the integrity and performance of the material under various conditions.
Career Highlights
Throughout her career, Karin Shibata has worked with prominent companies such as Aisin Keikinzoku Co., Ltd. and Sumitomo Chemical Company, Limited. Her experience in these organizations has played an essential role in her development as an inventor and her innovative work in aluminum alloys.
Collaborations
In her professional journey, Shibata has collaborated with notable colleagues, including Tomoo Yoshida and Hiroshi Tabuchi. These partnerships have undoubtedly contributed to her ability to advance her inventions and push the boundaries of aluminum alloy technology.
Conclusion
Karin Shibata stands out as an influential figure in the realm of materials science and engineering, particularly regarding aluminum alloys. Her inventive efforts, as evidenced by her patents, showcase her commitment to innovation and her impact on the industry. Through her work, Shibata continues to pave the way for advancements in high-strength materials that benefit various applications.