Company Filing History:
3 out of 19 
3 out of 7 
1 out of 40 Years Active: 1992-1995
Title: Kiichiro Kitaura: Innovator in Silicon Single Crystal Production
Introduction
Kiichiro Kitaura is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the field of silicon single crystal production, holding a total of four patents. His innovative methods have advanced the technology used in semiconductor manufacturing.
Latest Patents
Kitaura's latest patents include an apparatus for producing silicon single crystals and a method of producing silicon single crystals. In these patents, he describes a process where a cylindrical partition is immersed in molten pure silicon or silicon containing an Sb dopant within a crucible. The molten liquid inside the partition is pulled up from the crucible to create the silicon single crystal. The interval between the lower end of the partition and the crucible bottom can be adjusted to control the oxygen concentration in the pulling-up silicon single crystal. This innovative approach allows for increased or decreased oxygen concentration based on the desired outcome.
Career Highlights
Throughout his career, Kiichiro Kitaura has worked with prominent companies such as Osaka Titanium Co., Ltd. and Kyushu Electronic Metal Co., Ltd. His experience in these organizations has contributed to his expertise in the field of materials science and semiconductor technology.
Collaborations
Kitaura has collaborated with notable coworkers, including Makoto Ito and Kaoru Kuramochi. Their combined efforts have furthered advancements in silicon crystal production techniques.
Conclusion
Kiichiro Kitaura's innovative work in silicon single crystal production has made a lasting impact on the semiconductor industry. His patents reflect a deep understanding of material properties and processing techniques, showcasing his role as a key inventor in this field.