Location History:
- Yokohama, JP (1987 - 2000)
- Tokyo, JP (2003)
Company Filing History:
Years Active: 1987-2003
Title: Takaaki Ashinuma: Innovator in Magneto-Optical Recording Technology
Introduction
Takaaki Ashinuma is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of magneto-optical recording technology, holding a total of 12 patents. His innovative work has advanced the efficiency and effectiveness of data reproduction methods.
Latest Patents
Among his latest patents is a method for setting the optimal reproduction power level in domain wall displacement magneto-optical recording devices. This invention involves a reproduction power test method that determines the optimal power of a reproduction light beam for retrieving information from a domain wall displacement type magneto-optical medium. The process includes detecting the start reproduction power at which the domain wall begins to displace and the maximum reproduction power that allows for this displacement. An optimal reproduction power is then determined using a relational expression that optimizes both the reproduction power and the jitter characteristics of the reproduced signal.
Another notable patent is a signal reproducing apparatus designed for reproducing information by moving a micro mark on a magnetic recording medium. This apparatus operates by causing a magnetic wall to move across the recording medium, utilizing a heating device that applies a partial temperature profile. The reproducing device generates a first reproduction signal that captures the movement of the magnetic wall, while reducing the signal component from the second magnetic wall movement to create a second reproduction signal that primarily reflects the first magnetic wall movement.
Career Highlights
Takaaki Ashinuma is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to focus on developing cutting-edge technologies that enhance data storage and retrieval processes.
Collaborations
Throughout his career, Ashinuma has collaborated with notable colleagues, including Akira Miyashita and Shigeru Aoi. These partnerships have fostered a creative environment that has led to numerous advancements in their field.
Conclusion
Takaaki Ashinuma's contributions to magneto-optical recording technology exemplify his innovative spirit and dedication to advancing data reproduction methods. His patents reflect a commitment to improving the efficiency of information retrieval, making a lasting impact in the industry.