This inventor holds 6 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Citizen Watch Company, Ltd., Citizen Machinery Co., Ltd.. Active years: 2019-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (2019 - 2020)
- Nishitokyo, JP (2022)
- Tokorozawa, JP (2023)
Company Filing History:


Years Active: 2019-2025
Title: Ayako Kitakaze: Innovator in Machine Tool Technology
Introduction
Ayako Kitakaze is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of machine tool technology, holding a total of 6 patents. Her innovative work focuses on improving the efficiency and accuracy of machine tools, particularly in the area of friction joining.
Latest Patents
Among her latest patents is a machine tool and control method designed to determine the degree of misalignment during friction joints. This invention includes an automatic lathe with a first spindle that holds a first workpiece and a second spindle that holds a second workpiece. The controller in this machine tool detects misalignment during the friction joint process, enhancing the precision of the joining operation. Another notable patent involves a machine tool that features a joining means for connecting the axial ends of workpieces, utilizing an electric servomotor and a misalignment detection system based on current values.
Career Highlights
Ayako Kitakaze has worked with notable companies such as Citizen Watch Company, Ltd. and Citizen Machinery Co., Ltd. Her experience in these organizations has allowed her to develop and refine her innovative ideas in machine tool technology.
Collaborations
Throughout her career, Kitakaze has collaborated with esteemed colleagues, including Kazuhiko Sannomiya and Masahiro Muramatsu. These partnerships have contributed to her success and the advancement of her inventions.
Conclusion
Ayako Kitakaze is a trailblazer in the field of machine tool technology, with a focus on enhancing the precision of friction joining processes. Her contributions through her patents and collaborations continue to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile