Location History:
- Toyota, JP (1987)
- Okazaki, JP (2009)
- Aichi, JP (2012 - 2014)
Company Filing History:
3 out of 36,771 
2 out of 12 
1 out of 3 Years Active: 1987-2014
Title: The Ingenuity of Koji Kawamatsu: Innovator in Automotive Window Technology
Introduction: Koji Kawamatsu, based in Aichi, Japan, is a distinguished inventor known for his significant contributions to automotive technologies. With a total of four patents to his name, Kawamatsu has made notable advancements in window regulator systems, showcasing his commitment to innovation in the automotive industry.
Latest Patents: Kawamatsu's latest patents involve two unique window regulator designs. The first patent outlines a window regulator and a jig to facilitate assembly. This innovative system includes a drum that can rotate in both normal and reverse directions, a wire configured to be partly wound around the drum, and guide members to arrange the wire for the upward and downward movement of the window glass. Additionally, it features slack-preventing means to eliminate any slack in the wire and a window glass mounting mechanism to secure the glass properly.
The second patent introduces a window regulator equipped with a wire sag compensating mechanism. This design incorporates an outer tube placed between the drum and the wire guide member, allowing for improved functionality and stability. A spring mechanism ensures that the outer tube remains engaged with the drum, while a disengagement restricting arrangement prevents unwanted disconnection.
Career Highlights: Throughout his career, Koji Kawamatsu has made significant strides in his field by working with esteemed companies, including Toyota Motor Corporation, and Shiroki Kogyo Co., Ltd. His experience in these organizations has played a vital role in the development of his innovative technologies.
Collaborations: Kawamatsu has collaborated with notable coworkers such as Kimihiro Kinoshita and Katsuaki Maruyama. Their combined expertise has contributed to the successful advancement of automotive innovations, further enhancing the performance and efficiency of window regulator systems.
Conclusion: Koji Kawamatsu stands out as a prominent inventor within the automotive sector, particularly in the realm of window technology. His innovative patents reflect a deep understanding of mechanical design and functionality, making significant contributions to the industry. As he continues to push the boundaries of automotive innovation, his work inspires future advancements in technology.