Location History:
- Tokyo, JA (1977)
- Tokyo, JP (1978 - 1995)
Company Filing History:
7 out of 28,566 
2 out of 614 
1 out of 30 Years Active: 1977-1995
Title: Hajime Machida: Innovator in Magneto-Optical Recording Technology
Introduction
Hajime Machida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magneto-optical recording technology. With a total of 9 patents to his name, Machida's work has advanced the capabilities of data storage and retrieval.
Latest Patents
One of his latest patents is a double-layer magneto-optical recording method that does not require an initial magnetic field. This innovative method allows for the recording and overwriting of information onto a double-layer magneto-optical recording medium. The medium consists of laminated first and second magnetic layers with different coercive forces, optimized for operation at varying temperatures. The process involves applying a laser beam at specific power levels to record and erase data while maintaining a bias magnetic field, enhancing the efficiency of the recording process.
Another notable patent by Machida is a method of magneto-optical recording and overwriting, which shares similar principles with his previous work. This method also utilizes a double-layer medium with distinct coercive forces, allowing for effective data management without the need for an initializing external magnetic field. The innovative approach ensures that the recording and erasing processes are conducted seamlessly, contributing to the advancement of magneto-optical technologies.
Career Highlights
Hajime Machida has worked with notable companies such as Ricoh Company, Ltd. and Mitsubishi Chemical Industries Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of data storage.
Collaborations
Throughout his career, Machida has collaborated with esteemed colleagues, including Yasuo Sawada and Daikichiro Nishikawa. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced technologies in magneto-optical recording.
Conclusion
Hajime Machida's contributions to magneto-optical recording technology have established him as a leading inventor in this field. His innovative methods and collaborations have significantly impacted data storage solutions, paving the way for future advancements.