Location History:
- Atsugi, JP (2004)
- Kanagawa, JP (1999 - 2005)
Company Filing History:
4 out of 556 
1 out of 1,801 
1 out of 2 Years Active: 1999-2005
Title: Mitsumasa Iijima: Innovator in Metallic Powder Technology
Introduction
Mitsumasa Iijima is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of metallic powder technology, holding a total of 8 patents. His work focuses on the development of advanced materials and processes that enhance the mechanical properties of sintered metal components.
Latest Patents
Iijima's latest patents include innovative processes for producing metallic powder-molded bodies and sintered components. One notable patent describes a method involving a preliminary molding step where a metallic powder mixture, blended with graphite, is compacted into a preform. This preform is then subjected to a provisional sintering step, resulting in a metallic powder-molded body with graphite remaining along the grain boundaries. The process continues with re-compaction and re-sintering steps to produce a high-quality sintered body. These advancements provide excellent deformability and high mechanical properties suitable for machine parts.
Career Highlights
Throughout his career, Mitsumasa Iijima has worked with various companies, including Unisia Jecs Corporation. His expertise in metallic powder technology has positioned him as a key figure in the development of high-strength and high-density iron-based sintered components. His innovative approaches have contributed to advancements in manufacturing methods that reduce re-compacting loads and improve the overall quality of sintered products.
Collaborations
Iijima has collaborated with notable professionals in his field, including Takashi Yoshimura and Yasuo Hatai. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the advancement of technology in metallic powder applications.
Conclusion
Mitsumasa Iijima's contributions to metallic powder technology and his innovative patents have significantly impacted the manufacturing industry. His work continues to inspire advancements in the production of high-performance materials.