Location History:
- Kariya, JP (2011 - 2013)
- Toyokawa, JP (2019)
- Aichi-ken, JP (2016 - 2021)
Company Filing History:
5 out of 5,207 
2 out of 212 
Years Active: 2011-2021
Title: Toshifumi Yanai: A Pioneer in Welding Innovations
Introduction: Toshifumi Yanai, an accomplished inventor hailing from Kariya, Japan, has made significant contributions to the field of welding technology. With a total of six patents to his name, his innovative spirit continues to drive advancements in various applications, particularly in the automotive industry.
Latest Patents: Among his noteworthy innovations, Yanai's recent patents include a method for seam welding vehicle door sashes. This process utilizes a first and second roller electrode that clamps the coupling portion of an upper sash while electricity is applied and both electrodes rotate. The first roller electrode features multiple projecting portions situated in a circumferential arrangement around its rotational center. Similarly, the second roller electrode includes opposing projecting portions, enhancing the efficiency and effectiveness of the welding process. Another significant invention is his frame molding design, which involves assembling a clip to an inner member while allowing it to penetrate through a designated through-hole. This unique configuration allows for a thicker connection at the point where the clip meets the inner member, thereby bolstering the strength of the connection.
Career Highlights: Throughout his career, Toshifumi Yanai has been associated with reputable companies such as Aisin Seiki Co., Ltd. and Shiroki Corporation. His work in these organizations has facilitated the development of advanced welding techniques that have set new standards in the industry.
Collaborations: Yanai has collaborated with esteemed colleagues such as Katsuhiko Takeuchi and Kazunori Kondo in his ventures. Their combined expertise and innovative perspectives have contributed to the successful realization of various projects and patents.
Conclusion: Toshifumi Yanai stands as a remarkable figure in the realm of welding innovations, with a proven track record of successful patents and collaborations. His dedication to enhancing welding methodologies not only reflects his inventive prowess but also promises to influence future developments within the industry. Yanai’s contributions continue to pave the way for advancements in automotive manufacturing and beyond.