This inventor holds 2 USPTO granted patents. Top assignees: Denki Kagaku Kogyo Kabushiki Kaisha, Sumitomo Special Metals Co., Ltd.. Active years: 1984-1993.
Company Filing History:
2 out of 475 
1 out of 240 Years Active: 1984-1993
Title: Noboru Iwato: Innovator in Magnetic Recording Technology
Introduction
Noboru Iwato is a notable inventor based in Zama, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 2 patents. His work has advanced the capabilities of magnetic recording and reproducing heads, which are essential components in data storage devices.
Latest Patents
Iwato's latest patents include innovations in thin-film perpendicular magnetic recording and reproducing heads. One patent describes a thin-film perpendicular magnetic recording and reproducing head that features a magnetic member defining a return path. This head includes a narrow groove formed in one of its principal surfaces, which is filled with a non-magnetic material. A multilayer film assembly is formed above the groove, consisting of a thin-film conductor coil, an interlayer insulating film, a thick main pole film, a main pole film, and a protective film. The design allows for improved interaction with the magnetic recording medium.
Another patent focuses on a composite plastics sheet with a conductive surface. This sheet is made from a polystyrene or ABS base resin and features a conductive covering layer laminated through co-extrusion. The conductive layer is mixed with a conductive carbon black material, ensuring that the surface specific resistance remains low, which is crucial for various applications.
Career Highlights
Throughout his career, Noboru Iwato has worked with prominent companies such as Denki Kagaku Kogyo Kabushiki Kaisha and Sumitomo Special Metals Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of magnetic recording.
Collaborations
Iwato has collaborated with notable coworkers, including Wada Toshiaki and Masami Yamashita. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Noboru Iwato's contributions to magnetic recording technology through his patents and career achievements highlight his role as a significant inventor in this field. His work continues to influence advancements in data storage solutions.