Location History:
- Irvine, CA (US) (1994 - 1995)
- Niigata, JP (1995 - 1996)
- Kakogawa, JP (1996 - 1997)
- Kobe, JP (1988 - 2021)
Company Filing History:
41 out of 513 
1 out of 1 
1 out of 21 
Years Active: 1988-2025
Areas of Expertise:
Title: Shigeyuki Mitsui: Innovator in Footwear Technology
Introduction
Shigeyuki Mitsui, based in Kobe, Japan, is a prominent inventor known for his innovative contributions to footwear technology. With a remarkable portfolio of 41 patents, Mitsui has significantly influenced the design and functionality of shoes, particularly in enhancing comfort and performance for users.
Latest Patents
Among Mitsui's most recent inventions is the shoe tongue structure, which consists of a first shoe tongue and a second shoe tongue designed to cover the opening of an upper that extends forward from the foot insertion area. The first shoe tongue is affixed at the front end to the edge of the opening and extends rearward towards the lateral side, while the second tongue mirrors this design on the medial side. This innovative arrangement ensures better coverage and comfort for the wearer.
Additionally, Mitsui has developed a shoe featuring an elastic structure aimed at simplifying footwear designs while improving comfort. This design includes a middle sole with both foot- and ground-contacting surfaces, and an upper that partially covers the middle sole. The unique curvature of this elastic structure reduces discomfort and enhances the repulsive force, making for a more enjoyable user experience.
Career Highlights
Shigeyuki Mitsui has had a successful career, working with notable companies such as Asics Corporation and Asecs Corporation. His contributions in these organizations have been pivotal in advancing modern footwear technologies. His extensive experience and expertise in the field are evidenced by his substantial number of patents.
Collaborations
Throughout his career, Mitsui has collaborated with talented professionals, including Tsuyoshi Nishiwaki and Toshikazu Kayano. These collaborations have allowed him to blend various innovative ideas, further refining his designs and leading to more successful patent registrations.
Conclusion
Shigeyuki Mitsui continues to shape the future of footwear with his ingenious patents, focusing on enhancing comfort and functionality for users. His work serves as an inspiration for upcoming inventors in the field, highlighting the importance of innovation in everyday products. With a solid foundation of patents and creative collaborations, Mitsui is poised to remain a key figure in the footwear industry.