This inventor holds 19 USPTO granted patents and 3 published patent applications, plus 7 CIPO patents and 23 EPO patents, primarily in Railway Vehicle Technology. Top assignees: Kabushiki Kaisha Toshiba, Nippon Steel Sumitomo Metal Corporation, Fuji Capsule Co., Ltd.. Active years: 1990-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fuchu, JP (2001 - 2003)
- Hiroshima, JP (2010)
- Osaka, PA (US) (2016)
- Osaka, JP (2016)
- Tokyo, JP (1990 - 2020)
- Shizuoka, JP (2017 - 2022)
Company Filing History:



Years Active: 1990-2022
Areas of Expertise:
Title: Innovations of Yoshiyuki Shimokawa
Introduction
Yoshiyuki Shimokawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the development of innovative materials and safety devices. With a total of 19 patents to his name, Shimokawa's work reflects a commitment to enhancing product quality and safety in various applications.
Latest Patents
Among his latest patents is the seamless capsule shell composition and seamless capsule. This invention addresses the challenge of creating a high-quality seamless capsule with excellent uniformity of shell thickness and minimal imperfections. The solution involves a shell composition that includes polysaccharides such as agar, carrageenan, and gellan gum, combined with a PVA copolymer. This innovative approach ensures the production of seamless capsules that meet high standards of quality.
Another notable patent is the railway vehicle derailment detection method and device. This invention features a transmission line designed to break upon contact with a rail, which is installed on a disengagement prevention guide attached to a railway vehicle's axle box. The system monitors the continuity of the transmission line and accurately detects derailments, thereby enhancing safety by preventing railway vehicles from traveling when their wheels have disengaged from the rail.
Career Highlights
Yoshiyuki Shimokawa has worked with esteemed companies such as Toshiba Corporation and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology and safety.
Collaborations
Throughout his career, Shimokawa has collaborated with notable individuals, including Masaaki Mizuno and Kenji Kato. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Yoshiyuki Shimokawa's contributions to innovation and safety in technology are commendable. His patents reflect a deep understanding of material science and engineering principles. As an inventor, he continues to influence the industry with his creative solutions and dedication to quality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile