Introduction: Toshifumi Osawa, a prominent inventor based in Sagamihara, Japan, has made significant contributions to the field of magnetic recording technology. With an impressive portfolio of 21 patents, he continues to push the boundaries of innovation in his industry. His work has immensely impacted the production of advanced magnetic recording media and base films.

Latest Patents: Among his latest inventions are critical patents that focus on biaxially oriented polyester film and magnetic recording media. One of his notable patents describes a base film for magnetic recording media. This base film features a film layer that contains inert fine particles, exhibiting an agglomeration rate of 4 to 20% on the surface. Additionally, another version incorporates an ester wax derived from an aliphatic monocarboxylic acid with 8 or more carbon atoms and a polyhydric alcohol, presenting a water contact angle of 70 to 90 degrees on the exposed surface. These innovations offer excellent electromagnetic conversion characteristics, particularly for metal deposited thin film magnetic recording media.

Career Highlights: Toshifumi Osawa is currently associated with Teijin Limited, a notable corporation in the polymer and chemical industry. His work at Teijin has allowed him to further develop his inventions and engage in cutting-edge research that shapes the future of magnetic recording technologies.

Collaborations: Throughout his career, Osawa has collaborated with esteemed colleagues such as Mitsuo Tojo and Ieyasu Kobayashi. These partnerships have enhanced the innovation process, leading to groundbreaking advancements in the field.

Conclusion: Toshifumi Osawa stands out as a key inventor whose contributions continue to influence the landscape of magnetic recording technology. With numerous patents to his name, his ongoing research and collaborations at Teijin Limited reinforce his role as a leader and innovator in this specialized domain.

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