Location History:
- Okayama, JP (1988)
- Bizen, JP (1985 - 1990)
Company Filing History:
Years Active: 1985-1990
Title: Yoshimitsu Takeuchi: Innovator in Glass Ceramics and Potassium Titanate Fibers
Introduction
Yoshimitsu Takeuchi, an accomplished inventor based in Bizen, Japan, has made significant contributions to the fields of materials science and engineering through his innovative patents. With a total of five patents, Takeuchi is recognized for his work on glass ceramics and long potassium titanate fibers, which have essential applications in various industries, including dental materials and advanced ceramics manufacturing.
Latest Patents
Takeuchi's most recent innovations include a patent for glass ceramics that serve as dental material and artificial bone substitutes. This specific composition contains 0.01 to 25 parts by weight of alkali metal oxides, such as Li2O, Na2O, K2O, Rb2O, and Cs2O, blended with 100 parts by weight of a CaO-Al2O3-P2O5 system material. The method used to cast these glass ceramics ensures that the molten fluid is adequately distributed to the intricate corners of the mold, allowing for low crystallization temperatures and short conditioning times. As a result, these glass ceramics exhibit high bending strength and lack internal defects, making them ideal for medical applications.
Another notable patent from Takeuchi involves a method for manufacturing longer fibers of potassium titanate. This innovative process produces fibers ranging from 100 to 3000 micrometers in length through heat reactions in a gas-permeable calcination vessel. The materials used in this method contain at least 25 weight percent, preferably at least 50 weight percent, magnesium oxide (MgO), which prevents vessel plugging and facilitates gas permeation during the reaction.
Career Highlights
Yoshimitsu Takeuchi is a prominent member of Kyushu Refractories Co., Ltd., where he has focused on advancing ceramic materials technology. His groundbreaking work has not only earned him multiple patents but also established him as a key figure in the research and development of innovative ceramic products. His patents reflect his commitment to enhancing material performance and expanding potential applications across various sectors.
Collaborations
Throughout his career, Takeuchi has collaborated with several esteemed colleagues, including Akira Watanabe and Seiji Kihara. These partnerships have proven to be productive, leading to valuable insights and the development of cutting-edge technologies in the fields of ceramics and material sciences. Together, they have contributed to advancing knowledge and practical applications in their respective areas of expertise.
Conclusion
In conclusion, Yoshimitsu Takeuchi stands out as a pivotal inventor, particularly in the innovation of glass ceramics and potassium titanate fibers. His contributions reflect not only his technical expertise but also his dedication to improving material science for medical and industrial applications. With his extensive patent portfolio and collaborative spirit, Takeuchi continues to influence the future of advanced materials and their applications, promising exciting advancements in the field.