Location History:
- Taito-ku, JP (2002)
- Chuo-ku, JP (2009)
- Chiba, JP (1993 - 2011)
- Tokyo, JP (2000 - 2024)
Company Filing History:
6 out of 23 
6 out of 29 
1 out of 1 Years Active: 1993-2025
Title: Innovations of Hidefumi Konnai: Pioneering Metahalloysite Technologies
Introduction: Hidefumi Konnai is a notable inventor based in Tokyo, Japan, with an impressive portfolio of 13 patents. His work primarily revolves around advanced materials and novel production methods, particularly focusing on metahalloysite powder. This unique approach to material science represents a significant contribution to the field, showcasing Konnai's role as a forward-thinking inventor in modern technology.
Latest Patents: Two of Hidefumi Konnai's latest patents stand out in the realm of advanced materials: the "Metahalloysite powder and production method therefor." This invention introduces a novel metahalloysite material that was previously nonexistent in the prior art. The metahalloysite powder is distinguished by its composition, which includes elemental carbon covering the meta-halloysite. The invention details a method that begins with preparing a halloysite slurry, progresses to formulating a powder, and finally involves firing the formulated powder at temperatures of 500° C. or higher, leading to unique granules formed by the aggregation of meta-halloysite nanotubes.
Career Highlights: Konnai's career includes significant tenure at respected companies such as Kawatetsu Mining Co., Ltd. and JFE Mineral Company, Ltd. His experiences in these organizations have undoubtedly shaped his innovative perspectives and technical expertise, allowing him to contribute substantially to material advancements.
Collaborations: Throughout his career, Hidefumi Konnai has collaborated with respected colleagues in the industry, including Yoshio Aso and Yoshiaki Hamano. These teamwork dynamics foster innovation and contribute to the development of cutting-edge technologies in their field.
Conclusion: Hidefumi Konnai's contributions to the field of material science, especially through his development of metahalloysite powder and its production methods, underscore his position as a leading inventor. With a strong foundation in both industry experience and collaborative efforts, Konnai continues to pioneer innovations that may have far-reaching implications for various technological applications.