This inventor holds 1 USPTO granted patent. Top assignee: Kyocera Corporation. Active years: 1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1999
Title: Hiroshi Okayama: Innovator in Sintered Aluminum Nitride Technology
Introduction
Hiroshi Okayama is a notable inventor based in Kokubu, Japan. He has made significant contributions to the field of materials science, particularly in the development of sintered aluminum nitride. His innovative work has led to advancements that enhance the performance and durability of this material.
Latest Patents
Hiroshi Okayama holds a patent for a sintered aluminum nitride that incorporates rare earth elements in specific proportions. This invention includes rare earth elements (RE) in amounts of from 3 to 10% by weight in terms of RE.sub.2 O.sub.3, alkaline earth elements (R) in amounts of from 0.3 to 3.0% by weight in terms of RO, and silicon atoms in an amount of from 0.3 to 1.0% by weight in terms of SiO.sub.2. The grain boundaries of AlN crystals are chiefly a YAG type crystalline phase. The sintered product is obtained by firing at a temperature as low as 1700°C or lower, has a thermal conductivity of not smaller than 60 W/m·K, loses weight in an amount of not more than 10 mg/cm² when it is left to stand in a 4N NaOH aqueous solution maintained at 70°C for one hour, and exhibits excellent resistance against alkalis. This patent showcases his expertise and innovative approach to material development.
Career Highlights
Hiroshi Okayama is associated with Kyocera Corporation, a leading company in the field of advanced ceramics and electronics. His work at Kyocera has allowed him to push the boundaries of material science and contribute to the company's reputation for innovation and quality.
Collaborations
Hiroshi Okayama has collaborated with notable colleagues such as Masanobu Ishida and Toshihiro Iwaida. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Hiroshi Okayama's contributions to the field of sintered aluminum nitride are significant and impactful. His innovative patent and work at Kyocera Corporation highlight his role as a leading inventor in materials science. His collaborations further enhance the potential for future advancements in this area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile