Company Filing History:
2 out of 2,091 
1 out of 21 Years Active: 2023
Title: Kei Koiwai: Innovator in Composite Material Technology
Introduction
Kei Koiwai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of composite materials, particularly through his innovative patents. With a total of 2 patents, Koiwai's work focuses on enhancing the efficiency and effectiveness of prepreg lamination processes.
Latest Patents
Koiwai's latest patents include a "Prepreg Lamination Apparatus, Method of Laminating Prepregs and Method of Molding Composite Material." This invention features a prepreg lamination apparatus that consists of first and second rollers, a table, and a feed structure. The first roller dispenses a first prepreg tape, which is a component of fiber-reinforced plastic (FRP), while the second roller dispenses a second prepreg tape. The table is designed for the lamination of these tapes, and the feed structure allows for the relative movement of the rollers to facilitate the feeding process.
Another significant patent is the "Fiber Width Adjustment Device, Fiber Width Adjustment Method and Composite Material Molding Method." This device includes a feeder that feeds a tape material consisting of fibers for a fiber-reinforced resin. The adjuster has a path formed by a bottom and a pair of wall surfaces, which gradually decrease in interval. This design allows for the adjustment of the tape material's width as it passes through the path.
Career Highlights
Throughout his career, Kei Koiwai has worked with prominent organizations such as Subaru Corporation and the Fukui Prefectural Government. His experience in these companies has contributed to his expertise in composite materials and innovative technologies.
Collaborations
Koiwai has collaborated with notable coworkers, including Natsumi Yasukochi and Shigekazu Uchiyama. Their joint efforts have further advanced the field of composite material technology.
Conclusion
Kei Koiwai's contributions to the field of composite materials through his innovative patents demonstrate his commitment to advancing technology. His work continues to influence the industry and inspire future innovations.