This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Mitsubishi Materials Corporation, Mitsubishi Materials Electronic Chemicals Co., Ltd.. Active years: 2026.
Company Filing History:
1 out of 1,555 
1 out of 2 Years Active: 2026
Title: Takuya Shiyama: Innovator in Aluminum-Oxide-Based Compositions
Introduction
Takuya Shiyama is a notable inventor based in Akita, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced compositions that incorporate zirconium nitride powder.
Latest Patents
Shiyama holds a patent for an "Aluminum-oxide-based-composition-containing zirconium nitride powder and method for producing same." This innovative powder consists of particles primarily composed of zirconium nitride, with an aluminum oxide-based composition partially adhering to their surface. The composition contains aluminum in a proportion greater than 1% by mass and up to 15% by mass, with a specific surface area ranging from 30 m/g to 90 m/g as measured by the BET method. This powder exhibits high light shielding properties in the near-infrared region, excellent patterning and visible light shielding capabilities, and favorable moisture resistance, making it suitable for use as a black pigment in patterned films.
Career Highlights
Throughout his career, Takuya Shiyama has worked with prominent companies, including Mitsubishi Materials Electronic Chemicals Co., Ltd. and Mitsubishi Materials Corporation. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.
Collaborations
Shiyama has collaborated with notable colleagues such as Kensuke Kageyama and Naoyuki Aiba. These partnerships have contributed to his success in the field and have fostered a collaborative environment for innovation.
Conclusion
Takuya Shiyama is a distinguished inventor whose work in aluminum-oxide-based compositions has the potential to impact various industries. His innovative approach and dedication to research continue to drive advancements in materials science.