Company Filing History:
1 out of 481 
1 out of 5 Years Active: 2014
Title: Mikio Ohno - Innovator in Tungsten Powder Production
Introduction
Mikio Ohno is a notable inventor based in Osaka, Japan. He is recognized for his contributions to the field of materials science, particularly in the production of high-purity tungsten powder. His innovative methods have significant implications for various industrial applications.
Latest Patents
Mikio Ohno holds a patent for a "Method for producing high-purity tungsten powder." This patent describes a process that efficiently reduces phosphorus content in tungsten powder to less than 1 wtppm. The method involves using an ammonium tungstate solution, neutralizing it with hydrochloric acid, and precipitating ammonium paratungstate crystals. The resulting crystals undergo heating and calcination to produce high-purity tungsten powder. This innovative approach allows for the production of tungsten powder with a phosphorus content as low as 0.4 wtppm.
Career Highlights
Throughout his career, Mikio Ohno has worked with prominent companies in the materials industry. He has been associated with JX Nippon Mining & Metals Corporation and Japan New Metals Co., Ltd. His work in these organizations has contributed to advancements in tungsten production techniques.
Collaborations
Mikio Ohno has collaborated with esteemed colleagues, including Jin Sato and Kouichi Takemoto. These partnerships have fostered innovation and development in the field of tungsten materials.
Conclusion
Mikio Ohno's contributions to the production of high-purity tungsten powder highlight his role as an influential inventor in materials science. His patented methods not only enhance the quality of tungsten powder but also pave the way for future innovations in the industry.