Company Filing History:
9 out of 987 
1 out of 5,310 
Years Active: 2014-2018
Title: The Innovations of Takashi Wagatsuma
Introduction
Takashi Wagatsuma is a prominent inventor based in Odawara, Japan. He has made significant contributions to the field of magnetic read elements, holding a total of 10 patents. His work has advanced the technology used in data storage and retrieval systems.
Latest Patents
Wagatsuma's latest patents include a magnetic read head with a floating trailing shield. This invention features a magnetic read element that incorporates an additional magnetic layer, known as a floating magnetic shield. This layer is part of a capping structure over the magnetic free layer, which enhances signal amplitude and resolution due to its high magnetic permeability. Furthermore, the magnetic layer acts as a shield, reducing effective magnetic gap spacing for improved signal resolution.
Another notable patent is the multi-sensor (MIMO) head with a back side antiferromagnetic middle shield. This design includes a lower magnetic shield at the media-facing surface, a lower sensor with a free layer, and a middle magnetic shield positioned above the lower sensor. The back side antiferromagnetic layer stabilizes the middle magnetic shield, enhancing the overall performance of the magnetic head.
Career Highlights
Throughout his career, Takashi Wagatsuma has worked with notable companies such as HGST Netherlands B.V. and Western Digital Technologies, Inc. His experience in these organizations has allowed him to refine his expertise in magnetic technologies and contribute to innovative solutions in the industry.
Collaborations
Wagatsuma has collaborated with esteemed colleagues, including Yukimasa Okada and Katsumi Hoshino. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of data storage.
Conclusion
Takashi Wagatsuma's contributions to magnetic read elements and his innovative patents have significantly impacted the technology landscape. His work continues to influence advancements in data storage solutions, showcasing the importance of innovation in this field.
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