Location History:
- Tokyo, JP (1982 - 1983)
- Shimogoshi, JP (1983)
- Usuda, JP (1983 - 1986)
Company Filing History:
Years Active: 1982-1986
Title: Takehisa Ohkawa: Innovator in Magnetic Recording Technology
Introduction
Takehisa Ohkawa is a prominent inventor known for his contributions to the field of magnetic recording technology. He is based in Usuda, Japan, and has been instrumental in developing innovative solutions that enhance the performance of magnetic recording media. With a total of seven patents to his name, Ohkawa's work has significantly impacted the industry.
Latest Patents
Ohkawa's latest patents focus on improving the properties of magnetic recording media. One of his notable inventions is a magnetic recording medium designed to ensure smooth and stable running properties while eliminating the 'squeal' phenomenon, particularly in high-temperature and high-humidity environments. This invention incorporates a highly viscous silicone oil with a viscosity of 100,000 centistokes or more as a lubricating agent in the magnetic coating, used in an amount of 0.5 to 2% by weight based on the binder. Another patent also addresses the 'squeal' phenomenon by combining a highly viscous silicone oil with a higher fatty acid, selected from various options such as lauric acid and stearic acid, to enhance the magnetic coating layer's performance.
Career Highlights
Ohkawa is currently associated with TDK Electronics Company, Limited, where he continues to innovate and develop advanced magnetic recording technologies. His work has been recognized for its technical excellence and practical applications in the industry.
Collaborations
Throughout his career, Ohkawa has collaborated with notable colleagues, including Kuniichi Yoda and Hitoshi Azegami. These collaborations have contributed to the advancement of magnetic recording technologies and have fostered a spirit of innovation within the team.
Conclusion
Takehisa Ohkawa's contributions to magnetic recording technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of the challenges in the field and a commitment to developing effective solutions. His work continues to influence the industry and pave the way for future advancements.