Company Filing History:
9 out of 50 
5 out of 898 
3 out of 36 
Years Active: 2000-2020
Title: Kazumichi Yanagisawa: Innovator in Crystal and Powder Production
Introduction
Kazumichi Yanagisawa is a prominent inventor based in Kochi, Japan. He has made significant contributions to the fields of materials science and engineering, holding a total of 13 patents. His innovative work focuses on methods for producing apatite crystals and nickel powder, showcasing his expertise in chemical processes and material synthesis.
Latest Patents
Yanagisawa's latest patents include a method of producing apatite crystals and an efficient method for producing nickel powder. The apatite crystal production method involves preparing an apatite single crystal, placing it in a controlled atmosphere, supplying water vapor, and heating it within a temperature range of 1000°C to 1400°C. The nickel powder production method utilizes a nickel ammine complex solution, where seed crystals and a dispersant are added to form a slurry. This mixture undergoes hydrogen reduction under high temperatures and pressures, resulting in high-quality nickel powder.
Career Highlights
Throughout his career, Yanagisawa has worked with notable organizations, including Kochi University and Sumitomo Metal Mining Company, Ltd. His experience in these institutions has allowed him to develop and refine his innovative techniques in material production.
Collaborations
Yanagisawa has collaborated with esteemed colleagues such as Junhao Zhang and Shin-ichi Heguri. These partnerships have contributed to the advancement of his research and the successful implementation of his patented methods.
Conclusion
Kazumichi Yanagisawa's contributions to the fields of crystal and powder production highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to improving production methods and enhancing material quality.