This inventor holds 8 USPTO granted patents and 12 published patent applications and 7 EPO patents. Top assignees: Toshiba Materials Co., Ltd., Kabushiki Kaisha Toshiba, Osaka University. Active years: 2016-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (2016)
- Kanagawa, JP (2020 - 2023)
Company Filing History:
8 out of 266 
5 out of 53,262 
3 out of 1,043 
Years Active: 2016-2025
Title: **Inventor Kai Funaki: Innovating Friction Stir Welding Technologies**
Introduction
Kai Funaki, an accomplished inventor based in Kanagawa, Japan, holds an impressive portfolio of six patents. His work primarily focuses on advancements in friction stir welding, a technique that enhances the quality and strength of welded joints. Funaki's dedication to innovation demonstrates his commitment to improving industrial processes and materials.
Latest Patents
Among Funaki's latest patents are the "Friction stir welding tool member" and "Friction stir welding method using the same." The unique design of the friction stir welding tool member includes a shoulder portion and a probe portion that project concentrically from the upper surface of the shoulder. Notably, the shoulder features a curved surface processed portion along the outer edge, contributing to the tool member's effectiveness. Additionally, the patent specifies a space occupancy of between 30% and 70%, optimizing the tool's efficiency. Furthermore, the invention highlights the use of a ceramic member made from silicon nitride sintered body, providing exceptional durability with a Vickers hardness of 1400 HV1 or more.
Career Highlights
Throughout his career, Kai Funaki has worked with prominent companies such as Toshiba Materials Co., Ltd. and Kabushiki Kaisha Toshiba. His contributions to these organizations reflect his expertise and innovative mindset, making significant strides in manufacturing processes and materials engineering.
Collaborations
Funaki's innovative journey has included collaboration with esteemed coworkers, including Yutaka Abe and Isao Ikeda. Their combined efforts in research and development have played a crucial role in the advancement of friction stir welding technologies.
Conclusion
In summary, Kai Funaki's contributions to the field of friction stir welding through his patents illustrate his profound impact on engineering and manufacturing. With his innovative designs and collaborative spirit, Funaki continues to push the boundaries of technology, solidifying his reputation as a leading inventor in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile