Location History:
- Futtsu, JP (1998 - 2011)
- Tokyo, JP (2019)
Company Filing History:
2 out of 3,557 
2 out of 19 
1 out of 1,101 Years Active: 1998-2019
Title: Innovations and Contributions of Kensuke Okazawa in High Purity Silicon Production
Introduction
Kensuke Okazawa, an innovative inventor based in Futtsu, Japan, has made significant contributions to the field of silicon production. With a total of four patents to his name, Okazawa has developed methods that enhance the efficiency and purity of silicon used in various applications, particularly solar batteries.
Latest Patents
Among Okazawa's latest patents is the "High Purity Silicon Production System and Production Method." This invention addresses the production of high purity silicon using inexpensive metallurgical grade metal silicon, specifically employing a slag refining method. The system is designed to achieve a purity level of 6N or higher, particularly targeting a boron content of no more than 0.3 mass ppm. The innovative aspect lies in the application of direct electromagnetic induction heating to efficiently heat the molten silicon within a specially designed crucible.
Another of his significant inventions is the "Method for Removing Boron from Silicon." This method provides a cost-effective and efficient approach for purifying metal silicon containing boron impurities. By heating the silicon to its melting point of 2200°C, Okazawa's process enables the addition of solids composed primarily of silicon dioxide and alkali metal carbonates, thus forming a slag that facilitates the removal of boron from the silicon.
Career Highlights
Throughout his career, Kensuke Okazawa has been associated with notable organizations such as Nippon Steel Corporation and Nippon Steel Materials Co., Ltd. His work in these companies has played a pivotal role in advancing the technologies related to silicon production, proving instrumental in achieving both efficiency and sustainability in manufacturing processes.
Collaborations
Okazawa's journey has also included collaborations with esteemed colleagues, including Shinji Tokumaru and Masaki Okajima. Their collective efforts have undoubtedly contributed to the scope and impact of the innovations in which they have been involved.
Conclusion
Kensuke Okazawa's contributions to high purity silicon production demonstrate his commitment to innovation within the manufacturing sector. His patents reflect not only his technical expertise but also his vision for a more efficient and environmentally friendly approach to producing high-grade silicon for essential applications like solar energy. As advancements in this field continue to unfold, Okazawa's pioneering work remains a crucial part of the ongoing narrative in silicon production technology.