Location History:
- Tokyo, JP (1997)
- Hino, JP (1979 - 1999)
Company Filing History:
Years Active: 1979-1999
Title: Innovations of Utami Yonemura in the Field of Aromatic Polyethersulfone
Introduction
Utami Yonemura, an esteemed inventor based in Hino, Japan, has made significant contributions to the field of materials science, particularly in the development of films made from aromatic polyethersulfone. With a remarkable portfolio of 11 patents, Yonemura is recognized for his innovative solutions that enhance the performance of liquid crystal display (LCD) devices.
Latest Patents
Among his latest patents, Yonemura has developed an optically isotropic film of aromatic polyethersulfone, which serves a crucial role as a substrate in LCD devices. Additionally, he has created an optically anisotropic, uniaxially oriented film of the same material, which is beneficial as a phase difference plate for LCD applications. The production process for these films involves casting an aromatic polyethersulfone solution composition—comprised of 15 to 40 parts by weight of a solvent, which contains at least 60% by weight of 1,3-dioxolane, capable of dissolving aromatic polyethersulfone, alongside 10 parts by weight of the aromatic polyethersulfone itself. The casting is performed on a substrate, followed by heating to evaporate the solvent, resulting in high-quality films.
Career Highlights
Utami Yonemura currently works at Teijin Limited, a leading company known for its advanced materials and innovative solutions. His work has been instrumental in advancing the application of aromatic polyethersulfone films in consumer electronics, demonstrating a strong commitment to innovation and excellence in his field.
Collaborations
Throughout his career, Yonemura has collaborated with notable colleagues such as Kaoru Iwata and Takeshi Sasaki. These partnerships reflect a strong collaborative spirit within the research community, which has been critical in pushing the boundaries of technology and materials science.
Conclusion
In summary, Utami Yonemura stands out as a pioneering inventor in the realm of aromatic polyethersulfone films. His contributions, especially in developing films for liquid crystal displays, highlight the importance of innovation in technology. As he continues his work at Teijin Limited, his ongoing research and inventions promise to further enhance the capabilities and functionalities of LCD devices, showcasing the vital role of inventors in technological advancement.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.