Location History:
- Nakamuroda Haruna-machi, JP (2007)
- Kanagawa, JP (2009)
Company Filing History:
Years Active: 2007-2009
Title: Innovative Contributions of Sachiko Ishibashi
Introduction
Sachiko Ishibashi, an influential inventor based in Kanagawa, Japan, has made significant contributions to the field of optical information recording technologies. With a total of two patents to her name, she has been instrumental in advancing the reliability and performance of optical disks, captivating the attention of industry peers and researchers alike.
Latest Patents
Ishibashi's latest patents focus on enhancing the properties of optical information recording mediums. One patent emphasizes improving humidity resistance reliability and the jitter property of optical disks by defining specific characteristics of the adhesive layer, such as a glass transition temperature of 100°C or higher (up to 200°C) and a modulus of elasticity of 1000 MPa or more at 25 to 80°C. The reflective layer is also defined for optimal hardness (60 mgf/μm or more as nano indentation hardness), while the dye recording layer must possess a water solubility of 0.2 or less.
Her second patent similarly addresses jitter properties and reliability, proposing the incorporation of a metal film containing phosphorus in the reflective layer. This layer is designed to meet identical criteria for hardness and adhesion as the previous invention, ensuring that the adhesive layer exhibits a glass transition temperature of 100°C or higher but not exceeding 200°C. The dye recording layer, as per this patent, should also achieve a water solubility of 20% or less.
Career Highlights
Sachiko Ishibashi's career is marked by her impactful tenure at Taiyo Yuden Co., Ltd., where she has honed her expertise in optical technology. Her innovative approach and relentless pursuit of excellence have led her to develop patents that not only push the boundaries of current technology but also set new industry standards.
Collaborations
Ishibashi has collaborated with esteemed colleagues, including Fumi Hara and Toru Fujii, known for their shared commitment to advancing optical technologies. Their collaborative efforts reflect a collective dedication to innovation, fostering a workplace that thrives on creativity and problem-solving.
Conclusion
In summary, Sachiko Ishibashi’s contributions to the realm of optical information recording mediums showcase her exceptional talent and foresight as an inventor. Her patents underscore a critical evolution in the technology that supports optical disks, highlighting her pivotal role within Taiyo Yuden Co., Ltd. As the field continues to evolve, Ishibashi’s innovative spirit and collaboration with her colleagues will likely yield further advancements that will benefit the industry for years to come.