This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignees: Mitsubishi Materials Corporation, Mitsubishi Materials Polycrystalline Silicon Corporation. Active years: 2006-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokkaichi, JP (2006 - 2008)
- Suzuka, JP (2012 - 2013)
Company Filing History:

Years Active: 2006-2013
Title: An Insight into the Innovations of Teruhisa Kitagawa
Introduction
Teruhisa Kitagawa, an esteemed inventor based in Suzuka, Japan, has made significant contributions to the field of silicon production through his innovative patented technologies. With a total of five patents to his name, Kitagawa's work focuses primarily on improving processes related to polycrystalline and single crystal silicon reactors.
Latest Patents
Among Teruhisa Kitagawa's latest innovations, there are two noteworthy patents that showcase his expertise:
1. **Polycrystalline silicon reactor**: This invention involves a unique system where polycrystalline silicon is deposited by supplying raw-material gas to a heated silicon seed rod. The reactor features a bottom plate with a dished upper surface, an opening penetrating the bottom plate from the upper surface, and a plug that is detachable from the opening.
2. **Apparatus for producing single crystal silicon**: This apparatus incorporates an induction heating coil designed to fuse the polycrystalline silicon rod. It includes an exothermic ring with a quartz-coated member, a support member allowing the ring's rotation, and a cooling flow path integrated into the support member to ensure optimal temperatures during the process.
Career Highlights
Teruhisa Kitagawa has honed his skills at prominent companies including Mitsubishi Materials Corporation and Mitsubishi Materials Polycrystalline Silicon Corporation. His tenure at these companies enabled him to deepen his expertise in silicon production technology and contribute meaningfully to advancements in the field.
Collaborations
Throughout his career, Kitagawa has had the opportunity to collaborate with talented individuals such as Mamoru Nakano and Yukio Yamaguchi. These partnerships have likely facilitated the exchange of ideas and innovations, further enhancing the technological advancements in silicon manufacturing processes.
Conclusion
Teruhisa Kitagawa continues to play a crucial role in the advancement of silicon production technology. His innovative patents not only contribute to the field but also demonstrate the importance of collaboration and ingenuity in driving progress within the industry. As he builds on his legacy, the impact of his work will undoubtedly resonate in the future of materials science and engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile