This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Polymatech Co., Ltd.. Active years: 2006-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2006-2011
Title: Junko Hosaka: Innovator in Decorative Key Sheet Technology
Introduction
Junko Hosaka is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of decorative key sheet technology, holding a total of 4 patents. Her innovative designs focus on enhancing the usability and aesthetic appeal of pushbutton switches.
Latest Patents
One of her latest patents is a decorative key sheet for pushbutton switches. This invention features a high-visibility design that maintains a quality appearance, allowing operators to perform input operations safely. The key sheet is constructed as a thin layer that includes an operation plate, a film sheet, and a base sheet. A fine asperity pattern is present on the front surface of the operation plate, while a light reflection layer enhances the visibility of this pattern on the back surface. The operation plate is transparent, and the fine asperity pattern is formed on a resin layer.
Another notable patent is a thin key sheet designed to prevent adhesive from being squeezed out, minimizing the visibility of adhesive marks and bubble marks. The adhesive layer is created in a dot pattern, allowing air to escape through the gaps when attaching the key top and base sheet. This innovative design ensures that bubbles are not easily trapped, and the fine pattern of the adhesive layer remains hard to see through the key top.
Career Highlights
Junko Hosaka is currently employed at Polymatech Co., Ltd., where she continues to develop her innovative ideas. Her work has significantly impacted the design and functionality of key sheets, making them more user-friendly and visually appealing.
Collaborations
She collaborates with talented coworkers, including Daisuke Nakajima and Shinya Tateda, who contribute to her projects and help bring her inventions to fruition.
Conclusion
Junko Hosaka's contributions to decorative key sheet technology exemplify her innovative spirit and dedication to enhancing user experience. Her patents reflect a commitment to quality and design, making her a notable figure in her field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile