Company Filing History:
1 out of 73 
1 out of 8 Years Active: 1999
Title: Takene Hirai: Innovator in Porous Silicon Nitride Ceramics
Introduction
Takene Hirai is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of materials science, particularly in the development of porous silicon nitride ceramics. His innovative approach has led to advancements in the production methods of these materials, which are essential in various industrial applications.
Latest Patents
Hirai holds a patent for a method of producing porous silicon nitride ceramics that possess high strength and low thermal conductivity. The patent describes a process that involves adding more than 10 volume percent of rodlike beta-silicon nitride single crystals into a mixture of silicon nitride raw powder and a sintering additive. This method allows for the creation of a formed body with the rodlike crystals oriented parallel to the casting plane, which is then sintered to develop elongated silicon nitride grains. This innovative technique results in a sintered body with a complex arrangement of elongated grains, enhancing the material's properties.
Career Highlights
Throughout his career, Takene Hirai has worked with the Japan Agency for Industrial Science and Technology, specifically within the Fine Ceramics Research Association. His work has been instrumental in advancing the understanding and application of silicon nitride ceramics in various industries.
Collaborations
Hirai has collaborated with notable colleagues, including Kiyoshi Hirao and Manuel E. Brito. These partnerships have contributed to the development of innovative solutions in the field of ceramics.
Conclusion
Takene Hirai's contributions to the field of porous silicon nitride ceramics demonstrate his commitment to innovation and excellence in materials science. His patented methods and collaborative efforts continue to influence the industry positively.