This inventor holds 1 USPTO granted patent. Top assignees: Denki Kagaku Kogyo Kabushiki Kaisha, Sumitomo Special Metals Co., Ltd.. Active years: 1993.
Company Filing History:
1 out of 475 
1 out of 240 Years Active: 1993
Title: Wada Toshiaki: Innovator in Magnetic Recording Technology
Introduction
Wada Toshiaki is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of magnetic recording technology. His innovative work has led to the development of a unique thin-film perpendicular magnetic recording and reproducing head.
Latest Patents
Wada Toshiaki holds a patent for a thin-film perpendicular magnetic recording and reproducing head. This invention includes a magnetic member that defines a return path and features a narrow groove formed in one of its principal surfaces, parallel to a sliding surface that faces a magnetic recording medium. The groove is filled with a non-magnetic material, and a multilayer film assembly is formed above it. This assembly consists of a thin-film conductor coil, an interlayer insulating film, a thick main pole film, a main pole film, and a protective film, all layered one upon another. The magnetic member connects to the main pole film through a via hole portion and is exposed on the sliding surface near the main pole film, facing the recording medium. Additionally, a thin magnetic film serves as a magnetic shield, covering the protective film and the sidewall surface of the head, and is joined to the sidewall surface of the magnetic member. Wada Toshiaki has 1 patent to his name.
Career Highlights
Throughout his career, Wada Toshiaki has worked with prominent companies in the industry. He has been associated with Sumitomo Special Metals Co., Ltd. and Denki Kagaku Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in magnetic recording technologies.
Collaborations
Wada Toshiaki has collaborated with notable colleagues, including Masami Yamashita and Noboru Iwato. These partnerships have likely enhanced his innovative capabilities and contributed to the advancements in his field.
Conclusion
Wada Toshiaki is a distinguished inventor whose work in magnetic recording technology has made a lasting impact. His patent for a thin-film perpendicular magnetic recording and reproducing head showcases his innovative spirit and technical expertise.