This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Zebra Co., Ltd.. Active years: 2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2011
Title: Hisatoshi Shibuya: Innovator in Writing Technology
Introduction
Hisatoshi Shibuya is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of writing implements, particularly with his innovative designs aimed at improving user experience.
Latest Patents
His most recent patent is for a retractable writing implement. This invention addresses the common issues of faint writing and writing failure caused by back shock. The design features a pressure contact member that protrudes from the shaft tube and the knock body, allowing for smooth sliding contact. This mechanism reduces shock sound and ensures that ink does not flow back into the ink tank due to air introduced from the writing tip. The friction resistance of the pressure contact member slows the retreat speed of the ink tank, effectively minimizing back shock.
Career Highlights
Hisatoshi Shibuya is currently employed at Zebra Co., Ltd., a company known for its high-quality writing instruments. His work has led to advancements in the functionality and reliability of writing tools, making them more user-friendly.
Collaborations
Shibuya collaborates with Matsuhei Toyama, contributing to the innovative environment at Zebra Co., Ltd. Their teamwork has fostered the development of cutting-edge writing technologies.
Conclusion
Hisatoshi Shibuya's contributions to the writing implement industry demonstrate his commitment to innovation and quality. His patent for a retractable writing implement showcases his ability to solve practical problems through inventive design.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile