Company Filing History:
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1 out of 1,379 
Years Active: 1988-1991
Title: Innovations of Toshihiko Tutumi
Introduction
Toshihiko Tutumi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced sliding members and ultrapure water production methods. With a total of 2 patents, his work showcases innovative solutions that enhance performance and efficiency.
Latest Patents
Toshihiko Tutumi's latest patents include the invention of single body and composite sliding members. These sliding members are composed of a resin composition that contains 30-98% by weight of an aromatic polyether ketone, 1-35% by weight of polytetrafluoroethylene, and 1-35% by weight of a metal fluoride. The invention significantly improves low frictional properties and wear resistance compared to conventional products. Another notable patent is the method for the production and use of ultrapure water. This method involves a series of treatments on deionized water, including sterilization and ion-exchange processes, to produce ultrapure water that meets high standards for various applications.
Career Highlights
Throughout his career, Toshihiko Tutumi has worked with prominent companies such as Daido Metal Company Ltd. and Mitsui Toatsu Chemicals, Incorporated. His experience in these organizations has contributed to his expertise in materials and chemical engineering.
Collaborations
Toshihiko has collaborated with several professionals in his field, including Yoshihisa Gotoh and Sanae Mori. These collaborations have likely enriched his research and development efforts, leading to innovative solutions in his patents.
Conclusion
Toshihiko Tutumi's contributions to the field of materials science through his patents reflect his dedication to innovation and improvement. His work continues to influence advancements in sliding member technology and ultrapure water production.