Location History:
- Ehime, JP (2020 - 2022)
- Tokyo, JP (2022 - 2023)
Company Filing History:
4 out of 898 
2 out of 13,712 
Years Active: 2020-2023
Title: Innovations of Junji Ishii in Nickel Powder Technology
Introduction
Junji Ishii is a notable inventor based in Ehime, Japan, recognized for his contributions to the field of nickel powder technology. He holds four patents that focus on the production and application of fine nickel powder, which is essential in various electronic components.
Latest Patents
Ishii's latest patents include innovative methods for manufacturing nickel powder and its application in internal electrode pastes for electronic components. One of his significant inventions provides a fine nickel powder characterized by high crystallinity, excellent sintering characteristics, and heat-shrinking properties. This nickel powder is produced through a wet method involving a reduction reaction in a solution containing water-soluble nickel salt, a nobler metal salt, hydrazine as a reducing agent, and alkali metal hydroxide for pH adjustment. Another patent outlines a process for producing nickel powder that minimizes impurities during crystallization, ensuring high-quality output.
Career Highlights
Throughout his career, Junji Ishii has worked with prominent companies such as Sumitomo Metal Mining Company, Ltd. and Murata Manufacturing Co., Ltd. His experience in these organizations has significantly contributed to his expertise in nickel powder technology and its applications in the electronics industry.
Collaborations
Ishii has collaborated with notable coworkers, including Masaya Yukinobu and Shingo Murakami, who have played a role in advancing his research and development efforts.
Conclusion
Junji Ishii's innovative work in nickel powder technology has made a significant impact on the electronics industry. His patents reflect a commitment to enhancing the quality and efficiency of nickel powder production, paving the way for advancements in electronic components.