Location History:
- Akashi, JP (1998)
- Hyogo, JP (1997 - 1999)
Company Filing History:
Years Active: 1997-1999
Title: **The Innovative Mind of Tohru Ohara**
Introduction
Tohru Ohara, an eminent inventor based in Hyogo, Japan, has made significant contributions to the field of magnetic disk technology. With a total of three patents to his name, Ohara's innovations focus on the development of advanced glass compositions for magnetic disk substrates, enhancing both performance and durability.
Latest Patents
Ohara's latest patents reveal a deep understanding of materials science and engineering. His first patent discusses a novel glass composition for magnetic disk substrates that comprises an array of oxides, including 66 to 80% by weight of SiO₂, 5 to 15% by weight of Al₂O₃, and various other components. This formulation allows for easy formation and polishing, providing substrates with excellent chemical durability, mechanical strength, and heat resistance while mitigating degradation of magnetic film characteristics.
The second patent introduces a glass-ceramic magnetic disk substrate created through forming, heat treating, and polishing a crystallizable glass composition. This composition contains 20 to 45% SiO₂ and 25 to 45% Al₂O₃, among others. This substrate demonstrates superior mechanical properties and stability against alkali migration, ensuring high performance in magnetic applications.
Career Highlights
Ohara's work with Yamamura Glass Co., Ltd. has positioned him at the forefront of research in magnetic disk technologies. His focus on innovative materials has led to advancements in the industry's standards and practices, showcasing his commitment to enhancing product quality and reliability.
Collaborations
Throughout his career, Tohru Ohara has collaborated with distinguished colleagues, including Tomoyuki Taguchi and Hideki Kawai. These partnerships foster an environment of innovation and creativity, allowing them to merge their expertise and ideas to push the boundaries of magnetic disk technology further.
Conclusion
Tohru Ohara's contributions to the field of magnetic disk substrates reflect a profound understanding of materials science and a relentless commitment to innovation. His patents not only highlight his inventive prowess but also his role in advancing technology that meets the growing demands of today's digital landscape. As he continues to work with Yamamura Glass Co., Ltd., the future looks promising for advancements stemming from his innovative spirit.