Location History:
- Ibaraki, JP (2016)
- Osaka, JP (2015 - 2017)
Company Filing History:
4 out of 3,870 
2 out of 862 
Years Active: 2015-2017
Title: Innovations by Hiroko Ikenaga
Introduction
Hiroko Ikenaga is a prominent inventor based in Ibaraki, Japan. She has made significant contributions to the field of adhesive technology, holding a total of 4 patents. Her work focuses on developing innovative materials that enhance the performance and durability of various products.
Latest Patents
One of her latest inventions is a pressure-sensitive adhesive sheet designed for display devices and input devices. This invention provides excellent ultraviolet protection while maintaining optical characteristics, even with minimal optical film usage. The adhesive sheet boasts a total light transmittance of 85% or more, a light transmittance at a wavelength of 380 nm of 5% or less, and a haze of 3% or less. Additionally, the sheet includes a pressure-sensitive adhesive layer containing an acrylic polymer and a triazine-based ultraviolet absorber.
Another notable patent is the paint film-protecting sheet, which effectively prevents adhesive transfer to the paint film. This sheet features a pressure-sensitive adhesive layer made of a non-crosslinking pressure-sensitive adhesive adjacent to a polyolefin-based resin film. The supporting substrate has specific indentation modulus requirements at both 25°C and -5°C, ensuring optimal performance.
Career Highlights
Hiroko Ikenaga has worked with reputable companies such as Nitto Denko Corporation and Kansai Paint Company, Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to the development of advanced adhesive technologies.
Collaborations
Throughout her career, Ikenaga has collaborated with talented individuals, including Koji Shitara and Hiroaki Kishioka. These partnerships have fostered innovation and led to the successful development of her patented technologies.
Conclusion
Hiroko Ikenaga's contributions to adhesive technology demonstrate her commitment to innovation and excellence. Her patents reflect her expertise and the impact of her work on various industries.