Location History:
- Tokyo, JP (1987)
- Saku, JP (1992)
- Niiza, JP (1991 - 1996)
Company Filing History:
Years Active: 1987-1996
Title: Innovations of Yoshisuke Yamakawa
Introduction
Yoshisuke Yamakawa is a notable inventor based in Niiza, Japan. He has made significant contributions to the field of magnetic recording and abrasive materials. With a total of 5 patents to his name, Yamakawa continues to push the boundaries of technology.
Latest Patents
Yamakawa's latest patents include a magnetic recording medium and a method for making them. This innovative medium records two or more signals having different frequency bands through frequency multiplex recording. The design features a non-magnetic substrate that includes a first magnetic layer and a second magnetic layer, with the latter having a thickness of 70% or less of the shortest recording wavelength of the signals to be recorded. Another notable patent is for a lapping tape, which has an abrasive coat made from acicular iron oxide powder and a granular inorganic powder. This lapping tape is designed to have a centerline mean roughness between 0.015 and 0.03 µm, enhancing its effectiveness in various applications.
Career Highlights
Yamakawa is currently employed at TDK Corporation, where he applies his expertise in developing advanced materials and technologies. His work has been instrumental in enhancing the performance of magnetic recording devices and abrasive materials.
Collaborations
Yamakawa has collaborated with several talented individuals in his field, including Yoshihiro Honjo and Hiroshi Kawahara. These collaborations have contributed to the successful development of innovative technologies.
Conclusion
Yoshisuke Yamakawa's contributions to the field of inventions, particularly in magnetic recording and abrasive materials, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.