Company Filing History:
1 out of 18 
1 out of 832,912 Years Active: 1999-2002
Title: Takehiko Sumiyoshi: Innovator in Abrasive Technology
Introduction
Takehiko Sumiyoshi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of abrasive technology, holding a total of 2 patents. His innovative approaches have led to advancements in materials used for working tools.
Latest Patents
One of Sumiyoshi's latest patents is an abrasive that includes an alumina-based fiber bound by a matrix resin containing diamond abrasive grains. This abrasive is designed in the form of a flat plate with a thickness ranging from 0.45 to 1.2 mm. The diamond abrasive grain layer is applied to at least one of the opposite surfaces of the bound fiber. Additionally, flat filaments with a long axis to short axis ratio of 1.3 to 1.8 are utilized for the alumina-based fiber. Another patent focuses on a material for preparing a working tool, which consists of long fiberglass arranged as entwined yarn and at least one thermosettable resin containing abrasive grains. This material can be shaped and cured into various forms, such as a rotor or stick.
Career Highlights
Throughout his career, Takehiko Sumiyoshi has worked with various companies, including Xebec Technology Co., Ltd. His work has been instrumental in developing innovative materials that enhance the performance of working tools.
Collaborations
Sumiyoshi has collaborated with notable individuals in the industry, including Takuma Miyazawa and Suguru from Taimei Chemicals Co., Ltd. These collaborations have contributed to the advancement of his inventions and the overall field of abrasive technology.
Conclusion
Takehiko Sumiyoshi's contributions to abrasive technology through his patents and collaborations highlight his role as an influential inventor. His innovative materials continue to shape the industry and improve working tools.