Location History:
- Kasugai, JP (1990 - 1998)
- Aichi-ken, JP (2004)
- Inuyama, JP (2000 - 2007)
- Inuyma, JP (2010)
Company Filing History:
11 out of 720 
1 out of 36,499 
Years Active: 1990-2010
Title: Keita Shiraki: Innovator in Sheet Feed Roller Technology
Introduction
Keita Shiraki is a prominent inventor based in Kasugai, Japan. He has made significant contributions to the field of sheet feeding technology, holding a total of 11 patents. His innovative designs focus on enhancing the efficiency and sustainability of sheet feed rollers.
Latest Patents
Shiraki's latest patents include a groundbreaking design for a sheet feed roller and a method of manufacturing the same. This invention prolongs the sustainability of sheet feeding capability even when crushed powders are scattered. The sheet feed roller features a hub with an elastic layer on its outer peripheral surface. This layer includes plural grooves that axially extend at specific intervals, creating a textured surface with mountain and valley portions. The design ensures that the ratio of the total area of the bottom surfaces of the grooves to the total area of the outer peripheral surface of the elastic layer is maintained between 10% to 20%. Another notable patent is for a cost-effective sheet feeding roller that has lower hardness while ensuring both abrasion resistance and sustainability of the friction coefficient. This roller consists of a hub, an inner layer, and an outer layer made from an unfoamed cured body of thermosetting urethane rubber, with the outer layer being harder than the inner layer.
Career Highlights
Throughout his career, Keita Shiraki has worked with notable companies such as Tokai Rubber Industries, Ltd. and Toyota Jidosha Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to advancements in the industry.
Collaborations
Shiraki has collaborated with esteemed colleagues, including Nobuo Matsumoto and Saburou Hayashi. Their combined expertise has fostered innovation and development in their respective fields.
Conclusion
Keita Shiraki's contributions to sheet feed roller technology exemplify his commitment to innovation and sustainability. His patents reflect a deep understanding of material science and engineering principles, making him a significant figure in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.